Chicana's Black Bean Burgers with Spicey Cucumber and Red Pepper Relish

INGREDIENTS
Relish:
2/3 C finely chopped peeled cucumber
1/2 C finely chopped red bell pepper
1/4 C finely chopped red onion
1 TBSP fresh lime juice
1 TBSP honey
1 tsp finely chopped dill
1/8 tsp salt
Dash of ground red pepper

Burgers:
1 (15-ounce) can black beans, rinsed and drained
1/2 C dry bread crumbs
1/4 C minced red onion
1/2 tsp dried oregano
1/4 tsp ground cumin
1/8 tsp black pepper
1 Large egg
Cooking spray
1/4 C light mayonnaise
4 (1-1/2 ounce) hamburger buns
Dill sprigs (optional)

INSTRUCTIONS:
To prepare relish, combine first 8 ingredients in a medium bowl. Cover and chill 2 hours

To prepare burgers, place beans in a large bowl; partially mash with a fork, Stir in breadcrumbs and next 5 ingredients (breadcrumbs through egg). Divide bean mixture into 4 equal portions, shaping each into a 1/2 inch thick patty

Prepare grill.

Place patties on grill rack coated with cooking spray; grill 5 mins on each side or until thoroughly heated. Spread 1 TBSP mayonnaise on the bottom half of each bun; top each with a patty, 1/4 cup relish, and top half of bun. Garnish with dill sprigs if desired.