Salmon Burgers with Lemony Whipped Feta Sauce

Ingredients

• 1/2 cup plain Greek yogurt
• 2 oz feta cheese (crumbled)
• 1 Tbsp lemon juice
• 3 Tbsp chopped dill
• 1 lb skinless salmon (chopped into 1 in chunks)
• 1 large organic egg
• 1/3 cup almond flour
• 1/3 cup finely chopped sun-dried tomatoes
• 1 shallot (peeled and chopped)
• 1 small jalapeno pepper (seeded and finely chopped)
• 2 tsp capers (optional)
• 1 tsp lemon zest
• 1/4 tsp salt
• 1/4 tsp black pepper
• 2 tsp grapeseed oil or avocado oil
• 4 whole grain hamburger buns (preferably toasted)
• 4 slices thicktomato
• 1/2 cup sliced cucumber
• 2 cups arugula or baby spinach