Low-carb cheeseburger casserole | Healthy Behavior Optimization for Michigan

Ingredients

• 2 tbsp butter
• 1 lb cauliflower (cut into small florets)
• 2 tbsp olive oil
• 1 yellow onion (chopped)
• 2 cloves garlic (minced)
• 1 lb ground beef or ground turkey
• 1 ½ cups canned whole tomatoes, drained
• 2 tbsp tomato paste
• 1 tbsp Dijon mustard
• 2 cups shredded cheddar cheese
• salt and pepper
• 2 dill pickles
• 4 cups lettuce
• 4 tbsp olive oil