Keto Tuna Casserole

Keto Tuna Casserole

Ingredients

• 2 oz butter
• 1 onions (1 yellow onionyellow)
• 1 green bell pepper
• 17 oz celery ((1 yellow onionyellow))
• 1 lb tuna packed in olive oil ((1 yellow onionyellow))
• 1 cup mayonnaise
• 4 oz shredded parmesan cheese ((1 yellow onionyellow))
• 1 tsp chili flakes
• 6 oz baby spinach
• 4 tbsp olive oil

Instructions

1. Preheat the oven to 400°F (200°C).
2. Chop onion, bell pepper and celery finely and fry in butter in a large frying pan until slightly soft.
3. Season with salt and pepper. Mix tuna, mayonnaise, parmesan cheese and chili flakes in a greased baking dish.
4. Add fried vegetables and stir. Bake for 15-20 minutes or until golden brown. Serve with baby spinach and olive oil.