Step 1

Preheat oven to 375ºF. Spray an 8" X 8" (or similar size) baking pan with nonstick spray.

Step 2

In a large bowl, combine cauliflower, crushed tomatoes, 1/2 cup cheese, garlic powder, and onion powder. Mix well.

Step 3

Spray a skillet with nonstick spray, and bring to medium-high heat. Add beef, peppers, onion, cumin, and salt. Cook, stir, and crumble until beef is fully cooked and veggies have softened, about 8 minutes.

Step 4

Using a slotted spoon, transfer skillet contents to the large bowl. Mix thoroughly.

Step 5

Transfer mixture to the baking pan, and smooth out the top. Top with remaining 1/2 cup cheese.

Step 6

Bake until hot and bubbly, about 20 minutes.