Preheat oven to 350 degrees F. Cut peppers in half lengthwise; use small spoon to gently remove seeds and white membranes from inside of peppers. Use spoon to fill each pepper half with beans.
Place peppers filled side-up on rimmed baking pan; transfer to oven and bake 8 minutes. Sprinkle peppers with cheese; bake 2 minutes longer or until cheese is melted.
Serve peppers garnished with cilantro and hot sauce.
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