Caramelized Onion & Sweet Corn Egg Cups - Fresh Fork Market

Ingredients

• Leftover kernels from 2 ears of corn, cooked (boil ears in salted water for 5 minutes, allow to cool, slice kernels off cobs) or 1 pint frozen corn, thawed and drained
• 2 onions
• 3 tbsp butter
• 1 tsp salt
• 1 cup grated zucchini (or other green veggie like broccoli, kale, chard or spinach)
• 10 eggs
• 1 cup milk
• salt and pepper