Easy Sausage Pizza Pot Pie - The Weary Chef

Ingredients

• 1 small onion diced
• 1 pound ground Italian sausage I use turkey sausage.
• 6 ounces bag fresh baby spinach
• 14 ounces canned fire-roasted diced tomatoes with garlic drained
• 8 ounces fresh mozzarella cheese diced into 1/2″ cubes
• 1 egg
• 1/4 cups milk
• 1/2 cups biscuit baking mix I used gluten-free mix.
• 1/4 teaspoon Italian seasoning
• 1 tablespoon grated parmesan cheese