Nibblous | baked lemon puddings

Ingredients

• 1 cup (200 grams) granulated white sugar, divided
• 3 tablespoons (40 grams) unsalted butter, room temperature
• 3 large eggs, separated
• 1 teaspoon pure vanilla extract
• 1 tablespoon (4 grams) lemon zest
• 1/3 cup (50 grams) all purpose flour
• 1/4 teaspoon salt
• 1/3 cup (80 ml) fresh lemon juice
• 1 cup (2400 ml) whole milk
• 1/8 teaspoon cream of tartar