Savory Spinach Pesto Cheese Ravioli

Ingredients

• 2 tsp avocado oil
• 1/2 cup grated mozzarella cheese
• 1/2 cup freshly grated parmesan cheese
• 1/4 tsp black pepper
• 2 tbsp pesto
• 1 small onion, diced
• 9 oz package small cheese ravioli
• 1/2 tsp salt
• 2 tbsp all-purpose flour
• 1 cup milk
• 2 tbsp unsalted butter
• 2 cloves garlic, minced
• 3 cups fresh spinach, chopped