Adobo Tuna

Yield:	4 Servings
Categories:	Fish, Mexican

1/3	c	Fresh lime juice
1/2	ts	Dried oregano
1/2	ts	Ground cumin
1/4	ts	Salt
4		Garlic cloves; minced
4		Tuna (6-ounce) steaks; 1/2 thick, -6 ounces each
1	ts	Olive oil
1	ts	Cracked pepper
		Cooking spray
		Lime slices; optional