Ranchero Breakfast Burritos gf df

Name: Ranchero Breakfast Burritos (gf, df)
Ingredients: * 1 sweet potato, peeled and diced (about 1 piece); * 1 russet potato, peeled and diced (about 1 piece); * 1 onion, diced (about 1 piece); * 1 red bell pepper, diced (about 1 piece); * 8oz mushroom, quartered; * 1/2 tsp garlic powder; * 1/2 tsp onion powder; * 1/2 tsp smoked paprika; * pinch cayenne pepper; * 1 can black bean, drained and rinsed; * 8 egg; * 3-4 tbsp milk or water*; * salt and pepper, to taste; * olive oil