Cheeseburger Casserole

Ingredients (12)

• 2 cups 6 oz uncooked rotini pasta (use brown rice pasta for GF)
• 2 tsp olive oil
• 1 1/2 cups onions
• 1 garlic clove
• 1 lb lean ground beef
• 3/4 tsp salt
• 1/2 tsp black pepper
• 2 tbsp tomato paste
• 28 oz diced tomatoes
• 2 tbsp Dijon Mustard
• 2 cups reduced-fat grated cheddar cheese
• 1/4 cup chopped dill pickles