Southwestern Cheeseburgers
["1 1/2 lb. lean ground beef", "2 Tbsp. finely chopped onion", "2 Tbsp. drained green chilies", "1 (4 oz.) can mushrooms, chopped", "8 slices Monterey Jack cheese", "4 Kaiser rolls", "1/4 c. taco sauce or salsa"]
["Mix ground beef, onion and chilies.", "Shape into 8 thin patties.", "Mound 1/4 mushrooms on center of 4 patties.", "Top with 2 slices of cheese.", "Place remaining patties on top; pinch edges to seal securely.", "Cover and grill patties.", "Serve with taco sauce or salsa."]
["lean ground beef", "onion", "green chilies", "mushrooms", "cheese", "Kaiser rolls", "taco sauce"]