Cheesy tomato protein pasta bake

Ingredients

• 1 brown onion, diced
• 1 Tbsp olive oil
• 1 x 700 ml bottle tomato passata
• 1 x 400 g tin diced tomatoes
• 1 Tbsp dried Italian herbs
• 500 g rigatoni or penne pasta
• 1 cup So Good High Protein Almond Milk
• 250 g reduced fat ricotta cheese, crumbled
• 1/4 cup grated Parmesan cheese
• 1/4 cup grated mozzarella cheese
• Salt
• pepper