Smoked Alaska Salmon & Sweet Potato Croquettes

Ingredients

• 1 Very Large Sweet Potato or 2 Smaller ones-peeled & precooked
• 2 Tbsp Plain Flour
• 2 Spring Onions, very finely chopped
• 1/2 Tsp Garlic Powder
• 1 tbsp Smoked Paprika (sweet)
• 1 Tin of Wild Red Salmon- drained
• Black Pepper & Flaked Salt
• 6 Tbsp Plain Flour or 6 Tbsp Panko Bread Crumbs
• 3 Tbsp Mayonnaise
• 3 Tbsp Thick Greek Yoghurt
• 1 Tbsp finely chopped chives
• 1 Tbsp finely chopped tarragon
• 1/3 Tsp Garlic Powder
• 1/2 Lemon-zest
• Pinch of salt & black pepper