Bacon Asparagus Potato Frittata

Ingredients (8)

• 4 slices thick-cut bacon
• 1 cup 1-inch-diced unpeeled red potatoes (3 small, 2 medium)
• 1 lb. asparagus
• Kosher salt and freshly ground black pepper
• 6 extra-large eggs
• 3 Tablespoons water
• 1 Tablespoon unsalted butter
• 1 Tablespoon fresh green onions