Spinach, Red Pepper, and Feta Quiche

INGREDIENTS

• 1 tablespoon cold vegetable shortening
• 2 large eggs
• 1/3 cup heavy cream or milk
• 1/3 cup plus 3 tablespoons all-purpose flour
• 1/3 cup crumbled feta cheese
• 1/3 cup sliced red bell pepper
• 1 tablespoon olive oil
• 2 cups packed fresh spinach leaves, trimmed and washed thoroughly (about 5 ounces)
• 1 1/2 tablespoons ice water plus additional if necessary
• 3 tablespoons cold unsalted butter