1 and 1/2 cups flour
1/2 tsp salt
1 cup butter, softened in microwave
1 and 1-2/ cups sugar
2 Tbsp lemon zest divided
6 Tbsp lemon juice divided
1 tsp vanilla
1 and 1/2 cups powdered sugar
1 lemon, cut in very thin slices
(optional: cook lemon slices in sugar and water on stove in a frying pan)
Preheat oven to 350 degrees. Line a 9″ x 18″ pan with parchment paper. In a medium glass bowl, soften butter in microwave. Mix in sugar, salt and 1 Tbsp lemon zest. Add eggs on at at time. mix in 1 tsp vanilla and 3 Tbsp lemon juice. Mix in flour. Spread in pan, bake for about 25-30 minutes.
Bake until toothpick comes out clean. Cool in pan for 30 minutes.
Prepare glaze and lemon slices. Lay out lemon slices and spread glaze over bars. Cool an additional 30 minutes, slice and serve.