Step 1

Preheat oven to 350°F.

Step 2

Dice onion. Drain and rinse both black beans and olives.

Step 3

Place a large skillet on the stovetop on medium heat. Add ground beef and allow it to brown completely.

Step 4

Mix onion into the meat and allow it to soften.

Step 5

Add taco seasonings, water, lime juice, half of your shredded cheese, black beans and olives to the skillet (reserve a handful of olives to sprinkle on top if desired). Mix everything together.

Step 6

Remove skillet from the heat.

Step 7

Create three layers of low carb taco shells and ground beef in an 8×8 casserole dish, starting with shells and ending with taco filling. Top with remaining cheese and black olives (if you reserved some from step 5).

Step 8

Bake for 10-15 minutes until cheese is melted. Allow to cool!

Step 9

Cut into squares and plate. Add desired toppings and enjoy!