Gluten free tuna pasta bake recipe | Good Food

Ingredients

• 2 tbsp garlic-infused oil
• 1 red pepper cut into 1cm cubes
• 1 yellow pepper cut into 1cm cubes
• 500ml gluten-free penne
• 400g can chopped tomatoes
• 500ml gluten-free vegetable stock
• 2 tbsp tomato purée
• 3 x 145g cans tuna in spring water, drained
• large handful of baby spinach roughly chopped
• 50g extra mature cheddar grated
• small handful of chives finely chopped
• 4 tbsp (35g) butter
• 3 tbsp (35g) gluten-free plain flour
• 500ml milk
• 75g extra mature cheddar grated
• 1 tsp wholegrain mustard (optional)