Quiche - Treats Homemade

Ingredients

• 300g of shortcrust (200g flour+ 100g butter+ 1 egg yolk+ salt + cold water)
• 1 large courgette, cut into slices
• 1 large onion, cut
• 1 can of tuna, drained (150g)
• 2 eggs
• 1 tsp of mustard
• 50g of cheese, shredded
• 150ml of milk + 1tbsp+½ of flour OR 150ml of crème fraiche
• salt and pepper