Best 20 Onion Sandwiches Recipes

SAUSAGE, PEPPER, AND ONION SANDWICHES

Steps:

• Cut the sausages apart into individual links if necessary, place the sausage links into a large skillet over medium heat, and brown them on all sides. Set the sausages aside, reserving the pan drippings.
• Pour the whole tomatoes, crushed tomatoes, and tomato sauce into a large saucepan with a lid; stir in the grated Parmesan cheese, garlic powder, Italian seasoning, sugar, and onion powder. Bring the mixture to a boil; add the cooked sausages, pan drippings, green peppers, and onions. Reduce heat to low, cover, and simmer until the vegetables are very tender and the sauce has thickened, about 6 hours. Serve on Italian hoagie buns.

FRENCH ONION DIP SANDWICHES (SLOW COOKER)

Steps:

• Heat 3 tablespoons olive oil over medium heat in a large, deep pot. Add onions and toss to coat with oil. Cook, stirring often, until softened, about 15 minutes. Add 1 tablespoon butter. Cook and stir until onions start to brown, about 15 minutes more.
• Stir sugar and 1/2 teaspoon salt into the onions in the pot. Continue to cook, stirring once halfway through, until onions are well-browned, 10 to 15 minutes more. Mix in garlic and cook for 1 minute more.
• Stir 3 tablespoons of water into the pot, scraping bits from the bottom. Let simmer for 3 minutes; repeat with an additional 3 tablespoons water. Simmer for 3 minutes more and repeat. Add vermouth; scrape bits from the bottom and sides of the pot. Cook for 4 minutes more. Add stock, Worcestershire sauce, soy sauce, thyme, and bay leaf. Simmer for 10 minutes; do not boil. Add black pepper. Discard bay leaf. Remove pot from heat and allow soup to cool. Pour into the slow cooker, but don't turn it on.
• Trim any excess fat from the rump roast. Sprinkle all sides with salt and pepper. Heat remaining 2 tablespoons olive oil in the pot over high heat. Cook the meat, holding it down with tongs, until browned on all sides, about 10 minutes. Transfer meat carefully to the slow cooker. Spoon the soup over the meat so that it is topped with a few onions. Cover and cook on Low for 4 hours.
• Remove meat from the slow cooker. Slice it diagonally and return slices to the slow cooker. Continue to cook on Low for 2 hours more.
• Preheat the oven to 350 degrees F (175 degrees C). Spread rolls with remaining 2 tablespoons butter; place face-down on a baking sheet.
• Bake rolls in the preheated oven until beginning to brown, 8 to 10 minutes. Remove from the oven, flip, and sprinkle with Gruyere cheese. Set oven rack about 6 inches from the heat source and turn on the oven's broiler. Broil rolls until cheese is slightly bubbly and lightly browned, 2 to 4 minutes.
• Remove meat from the slow cooker using a slotted spoon. Place on the rolls. Serve soup on the side for dipping.

SLOW-COOKER FRENCH ONION SHREDDED BEEF SANDWICHES

Steps:

• Spray 5-quart slow cooker with cooking spray. Trim excess fat from beef. Rub beef with steak seasoning and salt. In 12-inch skillet, heat oil over medium-high heat. Cook beef in oil 2 to 3 minutes on two sides, until browned. Transfer to slow cooker.
• In large bowl, beat melted butter, tomato paste and mustard with whisk. Stir in brown sugar. Stir in onion and garlic; pour over beef. Cover and cook on Low heat setting 8 to 10 hours or until beef is tender.
• Remove beef to cutting board; let stand 5 to 10 minutes or until cool enough to handle. Meanwhile, in small bowl, mix cornstarch and vinegar. Stir into liquid in slow cooker; cover and cook on High heat setting 5 to 10 minutes or until mixture thickens. Shred beef; return to cooker.
• Position oven rack 4 inches from broiling element. Set oven control to broil. Place buns, split sides up, on large cookie sheet. Divide cheese evenly among bun tops. Broil 1 to 3 minutes or until buns are toasted and cheese melts. Divide beef mixture evenly among bun bottoms. Sprinkle with parsley, then top with bun tops.

ONION LOOSE-MEAT SANDWICHES

Steps:

• In a large skillet, cook beef over medium heat until no longer pink; drain. Stir in the flour, salt and pepper until blended. Gradually add soup. Bring to a boil; cook and stir for 2 minutes or until thickened. , Spoon onto buns; top with cheese and pickles if desired.

GRILLED FLANK STEAK, ONION AND BELL PEPPER SANDWICHES

Steps:

• Combine first 7 ingredients in large bowl. Divide steaks, bell peppers and red onions among large shallow pans. Pour marinade over. Turn to coat. Cover and refrigerate 3 to 6 hours.
• Prepare barbecue (high heat). Drain steaks and vegetables. Grill steaks to desired degree of doneness, about 4 minutes per side for rare. Transfer to platter. Grill vegetables until beginning to brown, about 4 minutes per side. Slice steaks thinly across grain. Arrange steaks and vegetable on large platter. Serve with grilled rolls, allowing diners to assemble sandwiches.

CARAMELIZED ONION AND ROAST BEEF TEA SANDWICHES

Steps:

• In a large skillet, heat butter and oil over medium heat. Add onions, and stir to coat; cook, stirring occasionally, until they begin to soften, about 10 minutes. Reduce heat to medium-low; continue cooking, stirring every 20 minutes, until onions are amber colored and completely caramelized, just over 1 hour. Remove from heat, and transfer to a bowl to cool.
• In a small bowl, mix horseradish and cream cheese; season with salt and pepper. Spread two slices of bread with a thin layer of horseradish cream cheese; cover one with a layer of onions, and top with roast beef and other bread slice. Use a serrated knife to trim crusts and cut into four small squares. Repeat with remaining ingredients. Cover with damp paper towels until ready to serve.

FIG, GOAT CHEESE, AND CARAMELIZED ONION SANDWICHES

Steps:

• In a large skillet, heat oil over medium. Add onions, and season with salt and pepper. Cover, and cook, stirring occasionally, until onions have softened, 8 to 10 minutes. Uncover; cook until onions are golden brown, 10 to 12 minutes more (if skillet begins to darken, add cup water).
• Dividing evenly, spread cheese on 4 bread slices. Top with onions and figs; sandwich with remaining bread.

STEAK AND ONION SANDWICHES

Steps:

• Slice onions into 1/2-inch thick rings. Heat 2 tablespoons olive oil in a large skillet over medium-high heat; cook onions until browned, tossing occasionally, 10 to 15 minutes. Season with salt and pepper; remove.
• Heat remaining tablespoon oil in same skillet over high heat. Season steaks with salt and pepper. Cook 30 seconds on each side; remove. Add Worcestershire sauce and 2 tablespoons water to skillet, scraping up browned bits with a wooden spoon. Return onions to skillet; toss.
• Sandwich steak and onions between toasted bread.

ONION 'N PEPPER BEEF STEAK SANDWICHES

Steps:

• Heat oil in large nonstick skillet over medium-high heat.
• Add onion, jalapeño pepper and garlic; stir-fry 3 to 4 minutes or until lightly browned.
• Remove from skillet; reserve.
• Add beef round tip steaks to same skillet; cook over medium-high heat 1 to 2 minutes, turning once.
• Do not over cook.
• Season with salt, if desired.
• Place equal amounts of beef on roll bottoms; top with equal amounts of reserved onion mixture and tomato.
• Cover with roll tops.

ONION AND BACON CHEESE SANDWICHES

Steps:

• In 12-inch nonstick skillet, cook bacon over medium heat about 4 minutes, stirring occasionally, until almost cooked. Add onion. Cook 2 to 3 minutes, turning occasionally, until tender. Remove bacon and onion from skillet. Reserve 1 tablespoon drippings in skillet.
• To make each sandwich, layer cheese, bacon and onion between 2 bread slices. Place 2 sandwiches in drippings in skillet. Cover and cook over medium-low heat 3 to 5 minutes, turning once, until bread is crisp and golden brown and cheese is melted. Repeat with remaining sandwiches.

GRILLED FLANK STEAK, ONION AND BELL PEPPER SANDWICHES

Steps:

• Combine first 7 ingredients in large bowl. Divide steaks, bell peppers and red onions among large shallow pans. Pour marinade over. Turn to coat. Cover and refrigerate 3 to 6 hours.
• Prepare barbecue (high heat). Drain steaks and vegetables. Grill steaks to desired degree of doneness, about 4 minutes per side for rare. Transfer to platter. Grill vegetables until beginning to brown, about 4 minutes per side. Slice steaks thinly across grain. Arrange steaks and vegetable on large platter. Serve with grilled rolls, allowing diners to assemble sandwiches.

ROASTED PEPPER AND ONION SANDWICHES

Steps:

• Place onion slices in a 13x9-in. baking pan. In a small bowl, whisk the oil, vinegar, oregano and garlic; brush half over the onions. Set remaining dressing aside. , Bake onions, uncovered, at 375° for 10 minutes or until tender. Add red peppers; bake 10 minutes longer or until heated through. Meanwhile, slice bread in half lengthwise, then cut into fourths. Carefully hollow out bottom of loaf, leaving 1/2-in. shells (discard removed bread or save for another use). , Place bread, cut side up, on a baking sheet. Broil 4 in. from the heat for 1 minute or until toasted. Layer with onions, red peppers and cheese on bottom halves of bread. Drizzle with remaining dressing. Broil 4 in. from the heat for 4 minutes or until cheese is melted. Top with remaining bread.

SPAM AND ONION SANDWICHES

Steps:

• Cut spam into 8 slices, cut onion into 4 slices.
• melt butter in a pan, add sliced onion.
• cook about 5 minutes.
• add spam to pan, fry till lightly brown.
• serve on bread with mustard.

ROAST BEEF SANDWICHES WITH CARAMELIZED ONION

Steps:

• Cook the onion in the oil in a large skillet over medium heat for about 8 minutes, until it's soft, stirring occasionally.
• Reduce the heat to low and cook until the onion is golden brown, about 20 minutes more.
• Spread 1/3 of the mustard on 3 slices of bread. Add the onion mixture and beef.

BARBECUED PORK SANDWICHES WITH PICKLED RED ONION

Steps:

• For onion:
• Place sliced onion in medium bowl. Pour boiling water over. Let stand 10 minutes; drain well, then return to bowl. Add juice, vinegar, and salt and stir to blend. Cover and chill at least 2 hours and up to 1 day.
• For vinaigrette:
• Chop garlic with salt to paste; scrape into small bowl. Add barbecue sauce, orange juice, and lime juice to bowl. Gradually whisk in oil. Season vinaigrette to taste with pepper. DO AHEAD Can be made 1 day ahead. Cover and refrigerate.
• For pork:
• Blend pepper, smoked paprika, and salt in small bowl. Sprinkle seasoning mix evenly over both tenderloins. Let stand at least 30 minutes and up to 2 hours.
• Spray grill rack with nonstick spray. Prepare barbecue (high heat). Grill tenderloins uncovered 5 minutes, rolling over to sear all sides. Cover grill and continue to cook until thermometer inserted into thickest part registers 145°F, turning often and moving to cooler part of grill as needed, about 15 minutes longer. Transfer to cutting board; let rest 10 minutes.
• Thinly slice tenderloins crosswise into rounds. Mound pork on roll bottoms. Top with well-drained onion slices, then drizzle with vinaigrette. Cover with roll tops and serve, passing extra onion slices and vinaigrette separately.

MINI HAM, SWISS, RYE SANDWICHES WITH CRANBERRY ONION RELISH

Steps:

• Heat oil in a 12-inch skillet over medium-high heat. Add onions; saute until well-browned, 10 to 12 minutes. Add rosemary and cloves; continue to saute until fragrant, 1 to 2 minutes longer. Stir in cranberry sauce, and simmer until heated through. Remove from heat and set aside. (Cranberry-Onion Relish can be cooled, covered and refrigerated up to 2 weeks ahead.)
• To assemble: Working in batches, lay breads on a work surface and spread with about 1/4 tsp. mustard and 1 tsp. cranberry relish. Top half the breads with a portion of ham, cheese and arugula (optional), then the remaining bread slice. Halve each sandwich on the diagonal, sticking each half with a toothpick. (Sandwiches can be covered with a damp paper towel and plastic wrap and can remain at room temperature for 2 hours.)

GRILLED PROSCIUTTO-CHEDDAR SANDWICHES WITH ONION JAM

Steps:

• For jam, place onions and wine in a large skillet; bring to a boil. Reduce heat; cover and simmer for 30 minutes. Stir in the honey, vinegar, pepper flakes, salt and pepper. Simmer, uncovered, for 30 minutes or until liquid is evaporated., Stir in preserves; cook 3-5 minutes longer or until onions are glazed. Remove from the heat; cool slightly., Spread four bread slices with onion jam. Layer with prosciutto and cheese. Top with remaining bread. Butter outsides of sandwiches., In a large skillet over medium heat, toast sandwiches for 2-3 minutes on each side or until golden brown and cheese is melted.

ROAST BEEF SANDWICHES WITH MUSHROOM & ONION GRAVY

Steps:

• Slice English muffins and toast them until light brown.
• In a 10" nonstick skillet, melt butter over medium heat.
• Add onion and mushrooms; cook and stir 3-4 minutes or until onion is crisp-tender.
• Then add garlic and saute for 30 seconds to 1 minute longer.
• Reduce heat to medium-low; stir in gravy, white wine, Worcestershire sauce, thyme, and black pepper to taste.
• Add beef slices to gravy mixture.
• Cook over medium-low heat 2-3 minutes or until hot.

ALL-AMERICAN STEAK AND ONION SANDWICHES

Steps:

• Pierce steak all over with a fork. Place in a shallow dish, and rub with Worcestershire; season with salt and pepper. Let stand at least 15 minutes. In a small bowl, combine onion, 4 tablespoons vinegar, and sugar; season with salt and pepper. Let stand at least 15 minutes.
• In a large skillet, heat 1 tablespoon oil over medium-high. Cook steak 6 minutes. Turn, and cover; reduce heat to medium. Cook until medium-rare, 6 to 8 minutes (if steak is browning too quickly, reduce heat to medium-low). Transfer to a plate; let rest 10 minutes. Thinly slice against the grain.
• While steak rests, stir together 2 tablespoons vinegar and 1 tablespoon oil in a serving bowl; season with salt and pepper. Add lettuce, and toss.
• Spread 4 slices of bread with Dijon; top with steak and onion. Close sandwiches; serve with salad.

PULLED PORK SANDWICHES WITH PICKLED ONION SLAW

Steps:

• Sprinkle salt over entire pork shoulder and place in a slow-cooker with crushed garlic, cumin seeds and 1/4 cup vinegar. Cover and cook on low heat for 7 hours or high heat for 5 hours. Pork should shred easily and be very tender.
• Meanwhile, make slaw by whisking together remaining 1/4 cup vinegar, sugar and celery seed; toss with onions. Let sit up to 3 hours. Stir in cilantro just before serving.
• Remove pork from juices and cool slightly, then shred and cut into small pieces. Strain juices and pour off fat. Mix 1 cup of the juices with barbeque sauce and hot sauce to serve with pork; discard remaining juices.
• Serve pork on brioche buns piled with onion slaw and drizzled with sauce. Pork can be made a day in advance.