Tuscan Vegetable Tart

Ingredients

• 2 1/2 cups all purpose flour
• 3/4 teaspoon salt
• 10 tablespoons chilled unsalted butter, cut into 1/2-inch pieces
• 1/3 cup chilled solid vegetable shortening, diced
• 6 tablespoons ice water
• 2 tablespoons Dijon mustard
• 1/2 cup whole milk ricotta
• 2 tablespoons pesto
• 1/4 cup grated Parmesean
• 2 zucchinis
• 2 chinese eggplant
• 4 wide carrots, multicolored if you can find them
• 4 tablespoons olive oil