Preheat oven to 375F.
Carefully fit flour tortillas inside the cups of a jumbo 6-cup muffin pan.
Spray flour tortillas with cooking spray and bake for 10 minutes.
In the meantime, heat olive oil in a large skillet.
Add onions, garlic, and turkey meat and season with taco seasoning, salt and pepper.
Cook and stir until meat is browned and crumbly, about 5 to 7 minutes.
Stir in tomato paste and continue to cook for 1 minute.
Remove from heat and let stand 5 minutes.
Divide up the shredded lettuce between 6 previously prepared taco bowls.
Top with prepared meat, tomatoes, shredded cheese, and avocados.
Add a dollop of sour cream over each taco bowl and serve with lime wedges.
Serve immediately.