Step 1

Preheat oven to 400º F and lightly grease a 9x13-inch baking dish with non-stick spray.

Step 2

In a large bowl, beat eggs and milk together until combined, then stir in biscuit mix, and salt and pepper, if using. Set aside.

Step 3

Season beef with salt and pepper, then cook until browned. Drain fat, then stir in taco seasoning.

Step 4

Place beef in an even layer in greased baking dish, then spread biscuit mix in an even layer on top of beef.

Step 5

Transfer baking dish to oven and bake until biscuit layer is golden brown, 22-25 minutes.

Step 6

Remove from oven and let cool 10 minutes, then spread sour cream on top of biscuits.

Step 7

Top with chopped lettuce, tomatoes and olives, if using, then sprinkle cheddar cheese on top.

Step 8

Serve hot and enjoy!