This Keto Ground Beef Mexican Casserole packs a tasty dose of nutrition with protein, veggies, and lots of savory spices that will leave you full and satisfied.
Preheat the oven to 400 degrees F.
Heat the oil in a large skillet over medium high heat, then add the onion and cook for 2 minutes until translucent.
Stir in the garlic and slowly cook for 1 minute.
Add the ground beef to the skillet and cook for about 20 minutes until browned.