Best 6 Zucchini Tomato And Onion Casserole Recipes

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**Zucchini Tomato and Onion Casserole: A Savory Summer Delight**

Experience the vibrant flavors of summer with our delectable Zucchini Tomato and Onion Casserole. This classic casserole combines fresh zucchini, ripe tomatoes, and aromatic onions in a delightful medley of flavors and textures. Baked to perfection, this hearty dish is a perfect balance of savory and refreshing, making it an ideal choice for both weeknight dinners and special occasions. Indulge in the goodness of garden-fresh vegetables, each bite bursting with natural sweetness and a symphony of flavors. With its ease of preparation and customizable variations, this casserole is a versatile crowd-pleaser that's sure to become a staple in your culinary repertoire. Discover the culinary magic of this beloved casserole and embark on a delightful journey of taste and satisfaction.

**Additional Recipes to Explore:**

1. **Zucchini Tomato and Onion Casserole with Cheese:** Elevate your casserole to a cheesy delight by adding a generous layer of shredded cheddar or mozzarella cheese. The melted cheese adds a gooey, irresistibly flavorful dimension that takes the dish to the next level.

2. **Zucchini Tomato and Onion Casserole with Herbs:** Infuse your casserole with a burst of freshness by incorporating aromatic herbs. A sprinkle of basil, oregano, or thyme adds a depth of flavor that complements the vegetables beautifully.

3. **Zucchini Tomato and Onion Casserole with Bacon:** Add a smoky, savory twist to the casserole by incorporating crispy bacon bits. The bacon adds a delightful crunch and a boost of umami that takes the dish to a whole new level.

4. **Zucchini Tomato and Onion Casserole with Corn:** Enhance the sweetness and texture of the casserole by adding fresh or frozen corn kernels. The corn adds a pop of color and a delightful hint of sweetness that balances the savory flavors.

5. **Zucchini Tomato and Onion Casserole with Sausage:** Create a hearty and satisfying casserole by incorporating ground sausage. The sausage adds a protein boost and a savory richness that makes the dish a complete meal in itself.

No matter your preference, the Zucchini Tomato and Onion Casserole offers endless possibilities for customization. Experiment with different variations to suit your taste and preferences, and discover new ways to enjoy this versatile and delicious dish.

Here are our top 6 tried and tested recipes!

TOMATO ZUCCHINI CASSEROLE



Tomato Zucchini Casserole image

This recipe is always a hit. In fact, I usually have to double it, and still there are no leftovers. The crumb topping is flavored with bits of onion.-Alison Relkov, Cochrane, Alberta

Provided by Taste of Home

Categories     Side Dishes

Time 40m

Yield 6 servings.

Number Of Ingredients 12

1 cup shredded cheddar cheese
1/3 cup shredded mozzarella cheese
1 teaspoon minced fresh basil or 1/2 teaspoon dried basil
1 teaspoon minced fresh oregano or 1/2 teaspoon dried oregano
1 garlic clove, minced
1/2 teaspoon salt
1/4 teaspoon pepper
5 small zucchini, thinly sliced
1/4 cup butter, divided
2 medium tomatoes, thinly sliced
2 tablespoons finely chopped onion
1/2 cup dry bread crumbs

Steps:

  • In a bowl, combine the first seven ingredients; set aside. In a large skillet, saute zucchini in 1 tablespoon of butter until crisp-tender, about 5 minutes; drain. Arrange the zucchini in a greased 8-in. square baking dish; sprinkle with half of the cheese mixture. Top with tomatoes and remaining cheese mixture., In a saucepan, saute onion in remaining butter until tender; add bread crumbs and toss to combine. Sprinkle over top. Bake, uncovered, at 375° for 20-25 minutes or until vegetables are tender.

Nutrition Facts :

CHEESY ZUCCHINI TOMATO ONION CASSEROLE



Cheesy Zucchini Tomato Onion Casserole image

Get your zucchini on with this easy to prepare cheesy zucchini casserole. Slice up vegetables, season, grate some cheese and bake. That's it!

Provided by Linda Warren

Categories     Side Dish

Time 1h20m

Number Of Ingredients 8

2 zucchini, (washed & halved lengthwise then cut into slices)
1 large tomato, (cubed)
1 medium sweet onion, (sliced thin, then halved)
6 garlic cloves, (chopped)
1 teaspoon Italian seasoning
Salt & pepper (to taste)
1 1/2 cup cheddar cheese, (shredded)
1/2 cup Pecorino Romano or Parmesan, (grated)

Steps:

  • Preheat oven to 375 degrees. Lightly coat an 8x8-inch baking dish with olive oil.
  • Prepare vegetables by cutting zucchini in half lengthwise then slicing. Dice tomato and slice onion thinly.
  • In a large bowl, toss the vegetables together with Italian seasoning and salt and pepper to taste.
  • Place in prepared baking dish and drizzle a little more olive oil over vegetables. Cover with foil and bake for 30 minutes.
  • While zucchini is baking, grate both cheeses.
  • Remove casserole from oven, uncover, and sprinkle cheeses over top of vegetables.
  • Place back in oven and bake, uncovered, for another 30 minutes.

Nutrition Facts : Calories 261 kcal, Carbohydrate 10 g, Protein 17 g, Fat 18 g, SaturatedFat 11 g, Cholesterol 53 mg, Sodium 475 mg, Fiber 2 g, Sugar 5 g, ServingSize 1 serving

ZUCCHINI-ONION CASSEROLE



Zucchini-Onion Casserole image

I came up with this dish by downsizing my recipe for a crowd. I experimented with amounts, adding and deleting until I got it just right. This is a great side dish that goes well with any meat.

Provided by Taste of Home

Categories     Side Dishes

Time 40m

Yield 2 servings.

Number Of Ingredients 10

1-1/3 cups sliced zucchini
3/4 cup water
1 medium onion, chopped
1 tablespoon chopped green pepper
1 egg
1/2 cup mayonnaise
1/3 cup grated Parmesan cheese
1/4 teaspoon salt
1/8 teaspoon pepper
1/3 cup crushed butter-flavored crackers (about 8 crackers)

Steps:

  • In a large saucepan, combine the zucchini, water, onion and green pepper; bring to a boil. Reduce heat. Cover and simmer for 5 minutes or until vegetables are crisp-tender; drain., In a large bowl, beat the egg. Add mayonnaise, Parmesan cheese, salt and pepper; mix well. Stir into vegetable mixture. , Transfer to a greased 1-qt. baking dish; sprinkle with cracker crumbs. Bake, uncovered, at 350° for 25-30 minutes or until golden brown.

Nutrition Facts : Calories 619 calories, Fat 54g fat (10g saturated fat), Cholesterol 137mg cholesterol, Sodium 1004mg sodium, Carbohydrate 21g carbohydrate (8g sugars, Fiber 3g fiber), Protein 12g protein.

TOMATO ZUCCHINI CASSEROLE



Tomato Zucchini Casserole image

A simple vegetable dish that highlights the summer flavors of fresh tomatoes and zucchini. It goes great with grilled meats or poultry.

Provided by DELTAQUEEN50

Categories     Side Dish     Vegetables     Squash     Summer Squash

Time 1h15m

Yield 4

Number Of Ingredients 11

1 ½ cups grated Cheddar cheese
⅓ cup grated Parmesan cheese
½ teaspoon dried oregano
½ teaspoon dried basil
2 cloves garlic, minced
salt and pepper to taste
2 medium zucchinis, thinly sliced
5 plum tomatoes, thinly sliced
¼ cup butter
2 tablespoons finely chopped onion
¾ cup fine bread crumbs

Steps:

  • Preheat oven to 375 degrees F (190 degrees C). Lightly butter a 9x9-inch pan.
  • In a large bowl, combine Cheddar, Parmesan, oregano, basil, and garlic. Season with salt and pepper, and set aside.
  • Arrange half of the zucchini slices in the pan. Sprinkle 1/4 of the cheese and herb mixture on top. Arrange half of the tomatoes, and top with another 1/4 of the cheese mixture. Repeat layers.
  • Melt butter in a skillet over medium heat. Stir in onions, and cook until soft and translucent. Stir in breadcrumbs; cook until they have absorbed the butter. Sprinkle on top of casserole.
  • Cover loosely with foil, and bake in a preheated oven for 25 minutes. Remove foil, and bake until the top is crusty and the vegetables are tender, about 20 minutes.

Nutrition Facts : Calories 459.9 calories, Carbohydrate 23.8 g, Cholesterol 90.9 mg, Fat 32.2 g, Fiber 3.4 g, Protein 20.8 g, SaturatedFat 19.7 g, Sodium 953.6 mg, Sugar 5.6 g

ZUCCHINI, ONION AND TOMATO BAKE



Zucchini, Onion and Tomato Bake image

The flavors in this dish really work together, there are never any leftovers and everyone always wants the recipe. Enjoy!!!

Provided by cajun chef in Louis

Categories     Vegetable

Time 1h15m

Yield 4 serving(s)

Number Of Ingredients 6

3 -4 zucchini
1 -2 large white onion
olive oil
2 large ripe tomatoes
parmesan cheese
salt and black pepper

Steps:

  • Slice onions into thin rings and saute in olive oil until clear.
  • Slice zucchini into thin round slices, do the same with the tomatoes.
  • Into a Pyrex dish (the size depends upon how much zucchini you have) layer as follows: (you should have 3 layers).
  • One layer of zucchini (do not overlap).
  • Thin layer of sautéed onions in olive oil.
  • Tomatoes.
  • Sprinkle with parmesan cheese.
  • salt and black pepper (I use quite a bit).
  • Keep layering until you have parmesan cheese on top (put quite a bit on the top layer, again with salt and pepper) then bake in 350 oven for about 45 minutes or until brown around the sides and bubbly and the zucchini is clear.

Nutrition Facts : Calories 56.4, Fat 0.7, SaturatedFat 0.2, Sodium 17.8, Carbohydrate 11.6, Fiber 3.2, Sugar 7.7, Protein 3

ZUCCHINI WITH ONION AND TOMATO



Zucchini With Onion and Tomato image

This is a basic recipe for zucchini. Zucchini, because it is so abundant in summer, produces lots of recipes for "how to get rid of it". This one is for enjoying it for its own sake. The amounts for each ingredient are very flexible. Use your own judgement. It's hard to go wrong. Gardeners can avoid a glut of zucchini by harvesting it at its best, about the time the blossom drops from the fruit.

Provided by Chopin Liszt

Categories     Vegetable

Time 40m

Yield 4 serving(s)

Number Of Ingredients 8

3 tablespoons olive oil
4 small zucchini
1/2 medium onion
1 medium tomatoes
fresh basil or dried basil, to taste
1/4 teaspoon crushed red pepper flakes, to taste
salt
parmesan cheese

Steps:

  • Cut the zucchini in bite size pieces.
  • Chop the onion.
  • Dice the tomato.
  • Heat the olive oil in a heavy skillet.
  • Saute the zucchini and onion until tender and lightly browned, about 20 minutes.
  • Add the rest of the ingredients and cook until the juices thicken a little, about 5 or 10 minutes.
  • Serve with grated parmesan cheese.

Nutrition Facts : Calories 119.8, Fat 10.4, SaturatedFat 1.5, Sodium 14, Carbohydrate 6.6, Fiber 1.9, Sugar 3.5, Protein 1.8

Tips:

  • Choose firm zucchini: To ensure a cohesive casserole, opt for firm zucchini that won't release excessive moisture during cooking.
  • Slice vegetables uniformly: For even cooking and a visually appealing casserole, slice the zucchini, tomatoes, and onions into uniform pieces.
  • Use a large baking dish: To accommodate all the vegetables comfortably, select a large baking dish, approximately 9x13 inches or larger.
  • Season well: Don't shy away from using salt and pepper to enhance the flavors of the vegetables. Remember, you can always adjust the seasoning later.
  • Cover the casserole while baking: Covering the casserole during baking helps trap moisture and prevents the vegetables from drying out.
  • Garnish before serving: Before serving, sprinkle some grated Parmesan cheese and fresh herbs like basil or parsley over the casserole for an extra burst of flavor and color.

Conclusion:

This zucchini, tomato, and onion casserole is a delightful medley of flavors and textures, making it a perfect side dish or a light main course. The combination of tender zucchini, juicy tomatoes, and aromatic onions, along with the savory Parmesan cheese and herbs, creates a harmonious and satisfying dish. Whether you're looking for a comforting meal on a weeknight or a vibrant addition to your holiday feast, this casserole is sure to impress. So gather your ingredients, preheat your oven, and embark on a culinary journey that will leave your taste buds tingling with joy.

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