Grilled Halibut With Creamy Guacamole Sauce Recipe

• 1 x avocado (preferably California) fresh lemon juice for rubbing the avocado
• 2 tsp fresh lime juice plus 2 lime slices halved, for garnish if you like
• 2 Tbsp. water plus if you like, additional to thin the sauce
• 1 1/2 Tbsp. finely minced scallion
• 1/8 tsp grnd cumin a healthy pinch of cayenne or possibly to taste
• 2 Tbsp. lowfat sour cream two (1/2-lb.) halibut steaks, seasoned with salt and pepper extra virgin olive oil for brushing the fish finely minced seeded tomato for garnish

Directions