THREE-CHEESE BAKED PENNE PASTA Prep time: 20 minutesCooking time: 10 minutes stoveBaking time: 15 minutesyields: 8 servings 6 oz penne pasta cooked according to package instructions.3 tbsp olive oil12 oz ground beef 1 medium size onion, peeled and chopped (2 oz)8 oz … [Read more...] about 3 CHEESE BAKED PENNE PASTA