Chili

# 1 teaspoon vegetable oil
# 1 1/2 pounds boneless beef chuck steak,
trimmed and cut into 3/4-inch chunks
# 5 garlic cloves, chopped
# 1 large onion, chopped
# 3 tablespoons chili powder
# 2 teaspoons ground cumin
# 3 tablespoons tomato paste
# 2 tablespoons brown sugar
# 1/2 teaspoon salt
# 1 large red pepper, chopped
# 2 cans (15 to 19 ounces each) red kidney beans, rinsed and drained
# 1 can (14 1/2 ounces) diced tomatoes