Spring Vegetable Frittata for Mother

Ingredients

• 2 tablespoons olive oil
• 1 large leek (white part only) chopped
• 1 teaspoon salt divided or as needed
• 1 jalapeno pepper seeded and diced
• 1 ½ cups (1/2-inch) sliced zucchini
• 1 ½ cups (1/2-inch) pieces asparagus
• 1 cup baby spinach
• 1 ½ cups sliced cooked potatoes
• 12 large eggs
• 1 pinch cayenne pepper
• ½ teaspoon freshly ground black pepper
• 4 ounces crumbled goat-milk feta cheese divided