Salmon Cakes with Lemon, Dill, and Homemade Dijon Mayonnaise

INGREDIENTS

3/4 lb

Salmon, fillet

7 tsp

Dill, fresh

2 tsp

Lemon, zest

1 1/2

lbs Russet potatoes

Scallions

Egg, large

Egg yolk, large

2 tbsp

Dijon mustard

1 tbsp

Lemon juice, fresh

Black pepper or crushed red pepper flakes, Freshly ground

Kosher salt

1 tsp

Kosher salt plus more

1/2 cup

Vegetable or olive oil

Vegetable or olive oil (for brushing and cooking)