Lemon Roll Cake

Ingredients

• 1 cup flour
• 0.25 tsp salt
• 1.5 tsp baking powder
• Zest of 1 lemon
• 0.5 cups (1 stick) unsalted butter
• 1 cup sugar
• 4 large eggs
• 1 tsp vanilla extract
• Juice of 1/2 lemon