Spicy Tomato Tart

Name: Spicy Tomato Tart
Ingredients: For the tart dough:; 2 cups all-purpose flour; 1/4 teaspoon salt; 1 1/2 sticks unsalted butter; 1/3 cup ice water (may need a little more if the air is really dry); For the tart filling:; 4 tomatoes, sliced; 3 tablespoons Brooklyn Delhi tomato achaar (or a spicy mustard or just dijon if you don't have achaar); 1 cup grated cheese (Emmental, Gruyère, and Parmesan -- I've used cheddar too); 1 teaspoon freshly chopped parsley or oregano; 1 tablespoon olive oil; Fleur de sel