• 4 fully cooked burger patties
• 1/2 small sweet onion
• 1 tablespoon butter
• 1 (4 ounce) can whole green chilies, drained
• 4 slices Monterey jack or pepper jack cheese
• 4 Kaiser rolls or hamburger buns
• Salsa picante

Heat burgers in microwave according to package directions.
Cut onion into 1/4-inch thick slices.
Heat butter in a large skillet over medium heat. Grill onions about 2 minutes on each side, until soft and golden.

Meanwhile, split green chilies and lay flat over top of burger. Lay 1 slice cheese over each; return to microwave briefly to melt cheese.

Heat buns in microwave or oven until warm. Spread salsa on buns. Place burger patties on buns and top with grilled onions.