Peel the ginger.

Cut the beef into cubes.

Wash the mini bell peppers, cut them in half, and remove the seeds and white membranes.

Wash the two-color bell pepper, cut it in half, and remove the seeds and white membranes.

Wash the tomato, remove the stem, and cut it into pieces.

Prepare the marinade: cut the ginger into pieces.

Place the ginger in a food processor bowl.

Add the peanuts.

Blend, then place the beef in a container.

Add the ginger-peanut mixture and cut the two-color bell pepper into pieces.

Add to the container, then cut the mini bell peppers into pieces.

Add them to the container along with the tomato.

Add the marinade and mix well.

Heat a griddle or large skillet, pour in the contents of the container, and cook for 6 minutes, stirring constantly.

The beef should be just seared—it's ready!