Spicy Lasagne

Ingredients

• 1 medium onion
• 3 cloves garlic, minced
• 2 Tbsp. bacon drippings
• 2 Tbsp. olive oil
• 1 (28 oz.) can stewed tomatoes
• 1 (6 oz.) can tomato paste
• 8 slices chopped cooked bacon
• 1/4 c. dry red wine
• 2 Tbsp. red wine vinegar
• 1 tsp. crushed red pepper flakes
• 2 c. shredded fresh spinach
• 1 (15 oz.) Ricotta cheese
• 3/4 lb. shredded Swiss cheese
• 1 egg
• 8 lasagne noodles
• grated Parmesan cheese
• minced parsley