In a bowl, whisk together 2 tbsp of sour cream, eggs, salt, and paper. Then stir in cubes of ham and set aside.
Heat a large skillet over medium heat and add oil, dump sliced mushrooms and sauté until golden. Stir occasionally and season with salt and pepper. Remove mushrooms.
In the same skillet, melt butter and add egg mixture. Stir for 3 minutes until eggs are cooked through. Remove from pan and set aside.
Prepare burritos by spreading 1 tbsp of sour cream into the center of a tortilla. Add in eggs, cheese, tomatoes, and mushrooms, Roll the burrito while keeping it tucked and tight.
Place burrito on skillet with oil. Cook all sides until the tortilla is golden brown.
