INGREDIENTS
1
Lemon, zest from
1
cups Rhubarb
4
Eggs
1 tbsp
Lemon juice, fresh
1 1/2 cups
Almond flour or meal, finely ground
1 tsp
Baking powder
1/4 tsp
Cardamon
1
Powdered sugar
1 pinch
Salt
1 1/4 cups
Sugar
2 tsp
Vanilla extract
1 tsp
White or cider vinegar
4 tbsp
Butter