INGREDIENTS
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1 lb flank steak (or chuck roast)
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1 small yellow onion, coarsely chopped
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1 teaspoon minced garlic
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1 (14.5-oz) can fire-roasted diced tomatoes (undrained)
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1 (8-oz) package tri-pepper mix (fresh diced green, red, yellow bell peppers)
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1 teaspoon dried oregano
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1 teaspoon chili powder
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1 teaspoon ground cumin
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1/2 teaspoon kosher salt
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1/4 teaspoon pepper
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1/4 teaspoon red pepper flakes
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Aluminum foil
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1 (15-oz) can fat-free pinto beans (drained and rinsed)