In large saucepan, cook bacon over medium-high heat 8 minutes or until crisp. Reserve 2 teaspoons drippings in pan; discard excess drippings.
Add kale, water, beans, broth, onion and pepper to bacon and drippings in pan. Stir in pepper sauce. Heat to boiling over high heat; reduce heat. Cover; simmer 25 minutes. Serve immediately.