Sloppy Joe Sliders | Oregonian Recipes

Ingredients

• 1 tablespoon olive oil
• 1 large onion, finely chopped
• 2 cloves garlic, minced
• Salt and freshly ground black pepper
• 12 ounces ground beef sirloin
• 1 14 1/2-ounce can tomato purée
• 1/2 teaspoon dry mustard
• 1 1/2 teaspoons firmly packed dark brown sugar
• 1 tablespoon cider vinegar
• 16 party-size potato rolls