Beer-Steamed Cheese and Mushroom Beef Sliders | Oregonian Recipes

Ingredients

• 3 tablespoons vegetable oil, divided
• 1/2 cup finely chopped yellow onion
• 3 ounces mushrooms (white, cremini or shiitake), finely chopped
• Kosher salt
• 2 tablespoons finely chopped pitted green olives
• 2 tablespoons finely chopped, drained, canned green chilies
• 3 ounces sliced sharp cheddar cheese, broken into 12 equal pieces
• 1 1/2 pounds ground beef, shaped into 12 sliders, each about 3/4 inch thick
• Ground black pepper
• 1/3 cup beer
• 12 slider buns