Preheat oven to 375°F.
Coarsely chop bacon into small pieces and fry till half crisp. Add onions and saute till soft
Add potatoes; stir to coat. Sprinkle taco seasoning mix over potatoes; stir to mix. Cook potatoes, turning every few minutes, until potatoes are soft.
In 13x9-inch (3-quart) glass baking dish, place tortillas standing against each other to form taco shells.
In another skillet, cook and stir beaten eggs over medium heat until they begin to scramble. Remove from heat.
Fill each tortilla with 1/4 cup potato mixture. Divide scrambled eggs evenly into each. Top each with 1 tablespoon cheese.
Bake 10 minutes. Serve immediately.
