Boil the rice according to the instructions on the package.
Heat up olive oil a frying pan and fry the ground beef until slightly light brown.
Add the taco spices and water and stir together. Cook until the water is evaporated.
Rinse the black beans and the corn kernels.
Peel and cut the onion ins thin slices.
Preheat the oven at 180degrees Celsius.
Place a tortilla bread on a plate and place some ground beef, rice, black beans, corn kernels, and cheese just below the middle.
Fold the burritos and wrap in aluminum foil. Place in an oven form.
Place the form in the middle of the oven for 20 minutes.
Take the burritos out from the oven and serve warm together with some guacamole and a fresh salad on the side.
The burritos that you will place in the freezer, let the cool down and then place them in a zip bag.