Tomato pie

Ingredients

• 2 1/4 cup all-purpose flour
• 1 teaspoon salt
• 200 gram (cold) butter
• 4 tbsp ice water
• 4 tomatoes
• handful of small tomatoes
• 2 eggs
• 250 ml cream
• 1 red onion
• 200 gram grated Gruyere cheese
• 100 gram grated Parmesan cheese
• 100 gram grated Gouda cheese
• few sprigs of thyme
• pepper and salt to taste