Tomato Pie | Scratch Pantry

Ingredients

• 2 1 ⁄ 2 cups unbleached all-purpose flour
• 1 cup cold butter , cut into cubes
• 1 teaspoon salt
• 2 tablespoons sugar
• 1 ⁄ 2 cup ice water
• 5 - 6 large round tomatoes , sliced
• 10 fresh basil leaves , chopped
• 1 small sweet onion , sliced thinly
• 3 garlic cloves , minced
• 1 ⁄ 2 cup parmesan cheese , shredded
• 3 ⁄ 4 cup mayonnaise
• salt and freshly ground black pepper