JAPANESE CURRY BRICK

Steps:

• In a large skillet, toast cinnamon, bay leaf, mustard seeds, coriander seeds, fennel seeds, cumin seeds, fenugreek seeds, cloves and cardamom pods over medium heat, stirring until fragrant, about 2 minutes. Be careful not to burn the spices. Transfer the toasted ingredients to a spice grinder.
• Add the mushroom, kombu and peppercorns to the spice grinder, and grind at the highest speed for 30 seconds. Shake the grinder a couple of times as you blend to make sure the cinnamon stick is pulverized. (You can also grind the spices in batches, if necessary.) Transfer the pulverized spices to a small bowl. Add the orange zest, turmeric, ginger, sea salt, paprika and cayenne pepper.
• To make the roux, melt the butter in a large saucepan over medium-high heat. When the butter is nearly melted, lower the heat to medium-low. Gradually whisk in the flour, and cook, stirring constantly, until the roux turns light brown, 15 to 20 minutes. Be careful not to burn the roux. Turn off the heat, add the spice mix and stir until well combined.
• Divide the mixture among three mini aluminum loaf pans, adding about 3/4 cup per loaf pan, or transfer the entire mixture to a parchment-lined quarter-size sheet tray. Let cool for a few minutes at room temperature, then transfer to the fridge so the bricks can solidify. Once firm, unmold, cut each brick into 9 small curry brick cubes (or, if using a sheet tray, cut the mixture into 27 pieces total) and wrap tightly in plastic wrap. Store in the refrigerator for about a month or in the freezer for 3 months.