Portabella Mushroom Baked Eggs Olive oil cooking spray 2 portabella mushroom caps 2 eggs Heat oven to 400°. Line a baking sheet with parchment or a silicone baking mat. Spray the lined baking sheet with cooking spray. Remove any remaining stems from mushroom caps.
Place each cap on the baking sheet with the underside facing up. Bake for five min. Remove from oven. Carefully crack one egg into each mushroom cap.
Place back into the oven and bake 10-15 more min, or until whites are firm and yolks are cooked to desired doneness. Remove from oven and serve. Serves 1