Ravioli Stuffing

Ingredients

• 1/2 lb. ground beef
• 1/2 lb. ground pork
• 1/2 c. onion
• 1 clove garlic
• 1/2 tsp. salt
• 1/4 tsp. pepper
• 1 (No. 2) can spinach (water squeezed out)
• 1/4 tsp. nutmeg
• 1/4 c. Parmesan cheese
• 1 egg
• 2 Tbsp. butter
• 2 Tbsp. celery