
Caramelized Onion and Spinach Quiche
Ingredients: For the Crust: 1 ½ cups all-purpose flour ½ teaspoon salt ½ cup unsalted butter, chilled and diced 4 to 5 tablespoons ice water For the Filling: 2 large onions, thinly sliced 2 tablespoons olive oil 2 cups fresh spinach, chopped 4 large eggs 1 cup milk (or a non-dairy alternative) 1 cup shredded…