Grilled Tuna Skewers With Tomato-Black Olive Relish

• 1/3 cup chopped fresh oregano
• 2 tablespoons ground cumin
• 1 tablespoon crushed red pepper
• 1/2 teaspoon salt
• 1/4 teaspoon freshly ground pepper
• 4 large garlic cloves, minced
• 1 1/2 pounds tuna steaks (about 1 inch thick), cut into 1-inch pieces
• 3 small red onions, each cut into 8 (1-inch) pieces
• 3 lemons, each cut into 8 wedges
• Cooking spray

1. Combine first 7 ingredients in a large zip-top plastic bag. Seal, and shake well. Remove tuna from bag; thread 4 tuna pieces, 3 red onion pieces, and 3 lemon wedges onto each of 8 (12-inch) skewers. Set tuna skewers aside.
2. Prepare grill. Place skewers on grill rack coated with cooking spray, and grill 4 minutes on each side or until tuna is medium-rare or desired degree of doneness. Serve with Tomato-Black Olive Relish.

fresh oregano, ground cumin, red pepper, salt, freshly ground pepper, garlic, tuna, red onions, lemons, cooking spray

Taken from www.myrecipes.com/recipe/grilled-tuna-skewers-with-tomato-black-olive-relish (may not work)