Bean Burgers with Spicy Guacamole

Tip: Toast cumin seeds in a small skillet over medium heat, stirring occasionally, until very fragrant, 2 to 5 minutes. Let cool. Grind into a powder in a spice mill or blender.

Ingredient Note: Quinoa is a delicately flavored, protein-rich grain. Rinsing removes any residue of saponin, quinoa's natural, bitter protective covering. Find it in natural-foods stores and the natural-foods sections of many supermarkets.

Tip: How to Cook a Pot of Beans

1. Pick over 1 pound dry beans to remove any pebbles or broken beans and rinse well under cold water. Place in a large bowl, cover with 3 inches of cold water and soak for 4 to 24 hours.
2. When you're ready to cook the beans, heat 3 tablespoons extra-virgin olive oil in a large saucepan over medium heat. Add 1 small chopped onion, 2 to 3 chopped garlic cloves and 1 chopped celery stalk (optional). Cook, stirring, until the vegetables are beginning to soften, 3 to 4 minutes. Drain the beans and add to the pan. Add enough cold water to cover the beans by 1 inch. Bring to a boil and boil for 5 minutes. Lower the heat to a bare simmer, partially cover and cook, stirring occasionally, until tender, 20 minutes to 3 hours, depending on the freshness of the beans. If at any time the liquid level drops below the beans, add 1 cup hot water. When the beans are nearly soft, stir in 1 to 1 1/2 teaspoons salt. (Do not drain: beans are best stored in their cooking liquid and the li

Makes about 6 cups.

Cut Down on Dishes: A rimmed baking sheet is great for everything from roasting to catching accidental drips and spills. For effortless cleanup and to keep your baking sheets in tip-top shape, line them with a layer of foil before each use.