Vegetarian Stuffed Zucchini Boats

Name: Vegetarian Stuffed Zucchini Boats
Prep time: 25 min
Cook time: 30 min
Total time: 55 min
Cuisine: Mexican
Ingredients: 4 zucchini squash (medium to large); 15 oz black beans ( canned, drained and rinsed); 1 cup cooked brown rice; 1 cup salsa; 1 bell pepper (cored and diced); ½ onion (diced); 1 cup corn kernels; 1 tablespoon olive oil (plus more for basting); 1 1/2 tsp chili powder; 1 tsp cumin; 1/4 tsp garlic powder; 1/4 teaspoon sea salt (or salt and pepper to taste); ½ cup cilantro (fresh chopped); 1 cup shredded Monterey jack cheese