Extra salsa, if desired Spray large non-stick skillet with vegetable cooking spray. Heat skillet over medium-high heat. Saute green pepper and onion 2 minutes. Add SPAM. Saute 2 minutes. Stir in salsa and heat thoroughly. Spoon about half cup SPAM mixture into each flour tortilla. Top each with half cup shredded lettuce, 1 tablespoon shredded cheese, 1 tablespoon yogurt, and extra salsa, if desired.