Brown the ground beef in a large pan over medium-high heat. Drain any excess fat.
1 pound ground beef
Add the beans, corn, cilantro, taco seasoning, cumin, garlic powder, onion powder, and salt. Mix until combined and cook until fragrant, one minute.
15 ounce can black beans drained and rinsed, 1 ear of corn cut off cob about 1 cup, 2 tablespoon fresh cilantro rough chop, 6 tablespoons taco seasoning, 1 tablespoon ground cumin, 1 teaspoon garlic powder, 1 teaspoon onion powder, 1/2 teaspoon kosher salt
Add the water and mix to combine, lower heat to medium-low, simmer until almost all the water has evaporated but the mixture is not dry for about 3-5 minutes. Take off the heat, and let cool until ready to use again.
1 cup water
Cut the zucchini in half lengthwise and scoop out the seeds, leaving about 1/4 inch of the zucchini flesh. To make this easier I use a melon baller, be careful not to puncture the sides of the zucchini.
6 large zucchini
In a large bowl, add the egg, breadcrumbs, and 1 cup of the cheese. Add the meat mixture and mix to combine. Next, make the sauce.
1 egg lightly beaten, ¼ cup panko breadcrumbs or plain breadcrumbs, 3 cups shredded Colby Jack cheese
In a medium-sized saucepan, add the butter and let melt over medium heat, add the cornstarch and whisk to combine, cook for one minute.