1 tablespoon adobo sauce from canned chipotle peppers
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0.25 teaspoon salt
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0.25 teaspoon ground black pepper
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8 cups chopped kale
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salt and ground black pepper to taste
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crushed red pepper
Instructions
Combine vegetable broth, onion, garlic, chipotle pepper, adobo sauce, 1/4 teaspoon salt, and 1/4 teaspoon black pepper in a large skillet. Bring to a boil over medium-high heat. Reduce heat to medium; simmer until onion is soft and translucent, about 5 minutes.
Stir in kale. Cook, covered tightly and stirring occasionally, until just tender, 8 to 10 minutes. Season with more salt, black pepper, and crushed red pepper to taste.