Salmon Fillets with Greek Tzatziki from Waterfall Resort Alaska

Ingredients

• 4 (8 oz.) king or silver salmon fillets, skinned and pin-boned
• 4 Tbsp. olive oil
• 1/8 tsp. garlic powder
• 1/4 tsp. dried oregano
• 1/8 tsp. fresh ground pepper
• 1 cup plain Greek yogurt
• 2 Tbsp. fresh lemon juice
• 1/4 cup cucumber, peeled, seeded, and shredded
• 1 clove garlic, peeled and grated
• 1 Tbsp. white onion, grated
• 1/4 tsp. dried dill
• 1/8 tsp. kosher salt