White Lasagna Recipe

Ingredients

• 12 lasagna noodles
• 1 Tbsp. olive oil
• 1 small onion, minced
• 1 lb. Italian sausage
• 2 cloves garlic, minced
• 12 oz. fresh spinach
• ¼ cup butter
• 3 Tbsp. flour
• 2 cups whole milk
• 1 cups heavy whipping cream
• 2 ½ cups mozzarella cheese, shredded and divided
• 2 Tbsp. Italian seasoning
• 1 tsp. salt
• 1 tsp. pepper