Grease a muffin pan and place one dough disc in each muffin cup. Pat the dough in even folding some of the sides. Set aside.
In a medium bowl, crack the eggs and scramble until combined. Add water, salt and pepper and set aside.
In a non-stick pan, heat olive oil, saute' the onions, peppers, mushrooms for 7 minutes on medium heat and then add egg mixture and cook for 5-7 minutes. Add the black beans and and oregano and cook for another 5 minutes. Add 1/2 cup cheese and mix.
Place 1-2 Tbsp egg mixture in each muffin cup and top with more cheese.
Bake for 20-22 minutes. Cool for 5 minutes and serve with salsa.