2 teaspoons olive oil 1 medium sweet onion, sliced and separated into rings 2 (8-ounce) packages presliced mushrooms 1/2 teaspoon salt 2 teaspoons balsamic vinegar 1-1/2 tablespoons paprika 1/2 teaspoon salt 1/2 teaspoon dried thyme 1/4 teaspoon ground red pepper Read More …