Lightly spray miniature muffin tins with cooking spray. Gently press wonton wrappers into small muffin cups (this may need to be done in batches to accommodate all of the wrappers). Spray wrappers with additional nonstick cooking spray. Bake at 375°F for 8-10 minutes or until lightly toasted and golden brown.
Spoon taco filling into each wonton. Top with shredded lettuce,cheese,salsa. Top with sour cream.