Our Best Stuffed Peppers

Name: Our Best Stuffed Peppers
Cook time: 1 h
Total time: 1 h
Cuisine: American
Ingredients: 6 large red, orange, yellow, or green bell peppers; 1 3/4 tsp. kosher salt, divided 2 (15-oz.) cans tomato sauce; 1 (1-oz.) envelope taco seasoning mix; 1 lb. 90 /10 lean ground beef 1 medium-size yellow onion, finely chopped (1 1/4 cups); 1 (15-oz.) can black beans, drained and rinsed; 1 cup frozen corn, thawed; 1 (8.8-oz.) pkg. precooked microwavable white rice; 4 oz. shredded Mexican 3-cheese blend (about 1 cup); Fresh cilantro, for garnish