Cooking oil spray
2 small beets, peeled and finely chopped
1/2 cup chopped onion
2 cloves garlic, chopped (or more if preferred)
1 cup canned black beans, drained and rinsed
1 tablespoon finely chopped canned chipotle chilies in adobo sauce (or 1 teaspoon/5 mL dried chipotle chili)
1 tablespoon Worcestershire sauce
1 tablespoon cider vinegar or other vinegar
Salt and pepper
1/4 cup (60 mL) whole wheat flour
2 high-fiber hamburger buns
2 tablespoons fat-free mayonnaise (or 1 tablespoon reduced-fat mayonnaise)
1. Heat a large nonstick sauté pan over medium-high heat. Spray with cooking oil.
2. Add beets, onions, and garlic; sauté until soft, about 6 minutes. Remove from heat.
3. In a food processor, combine beet mixture, beans, chipotles, Worcestershire sauce, and vinegar. Season with salt and pepper. Pulse just enough to combine and lightly chop the mixture (or combine in a large bowl and mix thoroughly by hand, keeping it chunky).
4. Transfer mixture to a large bowl (if using food processor) and add flour; mix thoroughly.
5. Divide mixture in half and shape by hand into 2 patties. If mixture is too loose to hold together, add a pinch more flour.
6. Return pan to medium-high heat. Sear patties until brown on the bottom, about 6 minutes. Flip patties, cover, reduce heat to medium-low, and cook until cooked through, about 6 minutes.
7. Spread top half of each bun with mayo and place a patty on each bun.
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