Spaghetti Pie(Low-Fat)

Ingredients

• 6 oz. thin spaghetti (dry)
• 1/2 c. egg substitute (such as Fleischmann's Egg Beaters)
• 3 Tbsp. grated Parmesan cheese
• 12 oz. plain nonfat yogurt, drained to 1 c. (instructions follow)
• 1 1/2 Tbsp. minced dried onion
• 12 oz. turkey Italian sausage (90% lean or better) or 90% lean ground sirloin
• 1 3/4 c. fat-free spaghetti sauce (such as Campbell's Italian-Style)
• 4 oz. shredded Mozzarella cheese (3 grams fat or less per ounce; such as Kraft Healthy Favorites)