Step 1

Pour off excess oil from 2 trout tins, then place trout in a medium bowl.

Step 2

Thinly slice 2 scallions on a diagonal. Add half to bowl with trout; reserve remaining scallions for serving.

Step 3

Using a microplane, finely grate half of lemon into bowl with trout.

Step 4

Cut lemon into quarters and remove any seeds. Squeeze 2 quarters over trout mixture.

Step 5

Add 1 Tbsp. mayonnaise and ½ tsp. salt and toss gently to combine.

Step 6

Finely chop ½ avocado. Transfer to a small bowl. Squeeze juice from remaining 2 lemon quarters over. Season with remaining ½ tsp. salt.

Step 7

Top dip with avocado and a few grinds of pepper. Serve with crackers alongside.