Keto tuna casserole

This is far from the casserole that my mother cooked as a child. Take celery, onions, peppers, and a few more ingredients and the yummy keto is ready in 30 minutes.

Ingredients

• 50 g Butter
• 1 pc Onion
• 1 pc Green bell pepper
• 150 g Celery
• 450 g Canned Tuna
• 225 ml Mayonnaise
• 110 g Parmesan cheese
• 1 tsp Chili flakes
• Salt and pepper
• INNINGS
• 175 g Spinach
• 4 tbsp. l. Olive oil

Directions

1. Preheat oven to 200 ° C. Chop the onion, bell pepper and celery into small pieces. Fry in butter until light soft. Season with salt and pepper to taste.
2. Combine tuna, mayonnaise, parmesan and chili flakes on a greased baking sheet. Add stir-fried vegetables and stir.
3. Bake in the oven for about 15-20 minutes until a delicious golden brown crust.
4. Serve with baby spinach and olive oil.