My Big Fat Greek Burgers

1 cup mayonnaise
2 teaspoons minced garlic
2 pounds ground lamb
1/4 cup bread crumbs
1 bulb fennel, chopped
3 tablespoons shallots, minced
1 teaspoon dried oregano
1/2 teaspoon salt
ground black pepper to taste
6 hamburger buns

In a small bowl, mix together mayonnaise and minced garlic. Cover, and refrigerate for at least 2 hours.

Preheat grill for high heat.

Mix together lamb, bread crumbs, fennel, shallot, oregano, and salt. Form into 3/4 inch thick patties, and sprinkle black pepper over surfaces.

Brush grate with oil, and place burgers on grill. Cook for 3 to 5 minutes per side, turning once, or until done. Serve on buns with garlic mayonnaise.