You are here: Home » Recipes » Penne with Caramelized Onions, Peppers and Feta Penne with Caramelized Onions, Peppers and Feta Recipe by RelishKitchen Tested Yield 4 servings Prep 10 mins Cook 35 mins Sweet caramelized onions and red peppers pair with tangy feta cheese. PrintEmail Ingredients 2 tablespoons olive oil1 small onion, slivered2 large red bell peppers, slivered1/4 teaspoon kosher salt Coarsely ground black pepper1 box (16-ounce) box short pasta, (such as penne, rigatoni, bowties)1 cup (4 ounces) crumbled feta cheese Instructions Heat olive oil in a large skillet over medium-high heat. Add onion, bell peppers, salt and pepper. Sauté 20 to 30 minutes. Meanwhile, boil pasta according to package directions and drain. Remove 2 cups plain pasta and toss with butter for the kids. Place remaining pasta in skillet with pepper mixture. Toss well. Scatter with feta cheese, cover and cook over low heat 5 to 10 minutes. Want more help? Check out this step-by-step video on caramelizing onions.