Fajita Nachos

INGREDIENTS

• 2 Tbs. olive oil
• 1/4 cup minced yellow onion
• 1 garlic clove, minced
• 1 1/2 Tbs. rice wine vinegar
• 1/2 tsp. chili powder
• 1/2 tsp. ground cumin
• 1 tsp. freshly ground pepper
• 1 lb. skirt steak
• Salt, to taste
• 1 yellow onion, cut into 1/2-inch dice
• 1 red bell pepper, cut into 1/2-inch dice
• 1 Tbs. olive oil
• 1 1/2 bags (each 14 oz.) tortilla chips
• 3/4 lb. sharp cheddar cheese, shredded
• 3/4 lb. Monterey jack cheese, shredded
• 1 can (16 oz.) refried beans
• 1/2 cup pickled jalapeño slices
• 2 Tbs. minced fresh cilantro
• Guacamole for serving (see related recipe at left)
• Salsa for serving
• Sour cream for serving