Cuban Black Bean Patties with Pineapple Rice

from CookingLight, featured on myrecipes.com
This was a pretty fast and easy dinner and everyone liked it (mostly because it didn't have any tomatoes or peppers :))
Rice:
1 (3 1/2-ounce) bag boil-in-bag long-grain rice (I used about 2 cups cooked brown rice)
2 teaspoons butter
1 cup diced fresh pineapple (I, of course, used canned--do you think I live in the tropics?)
2 tablespoons chopped fresh cilantro
1/4 teaspoon salt

Patties:
1 (15 oz) can black beans rinsed and drained, divided
1/2 teaspoon bottled minced garlic (I just used a little garlic powder)
1/4 teaspoon ground cumin
1/8 teaspoon salt
1 large egg white
1/2 cup shredded Monterey Jack cheese with jalapeño peppers
1/4 cup chopped red onion
1/4 cup cornmeal
Cooking spray
1/4 cup reduced-fat sour cream

To prepare rice, cook rice according to package directions, omitting salt and fat. Drain; place rice in a large bowl. Melt butter in a nonstick skillet over medium-high heat. Add pineapple; sauté 4 minutes or just until pineapple begins to brown. Add pineapple mixture, cilantro, and 1/4 teaspoon salt to rice in bowl; cover and keep warm. Wipe pan clean with paper towels.

To prepare patties, place 1 1/2 cups beans, garlic, cumin, and 1/8 teaspoon salt in a bowl; partially mash with a fork. Place 1/2 cup remaining beans and egg white in a food processor; process 30 seconds or until well combined. Add bean puree to mashed beans in bowl, and stir until combined. Add cheese and onion to bean mixture; stir until combined. Divide bean mixture into 4 equal portions, shaping each into a 1/2-inch-thick patty. Place cornmeal in a shallow dish. Dredge both sides of each patty in cornmeal.

Heat pan over medium-high heat. Coat pan with cooking spray. Add patties; cook 3 minutes on each side or until browned. Spoon about 1/2 cup rice onto each of 4 plates; top each serving with 1 patty and 1 tablespoon sour cream.