Warm & Gooey Citrus Pudding

INGREDIENTS

• icing sugar, for dusting (optional)
• 3 large eggs, separated
• 6 tablespoons lemon juice (swap for any citrus)
• 5 tablespoons all purpose flour
• 1-1.5 cup sugar (if your citrus is very sweet, use less sugar)
• 5 tablespoons butter, softened *note: 1 tablespoon shall be reserved for greasing the dish*
• 1 cup half and half
• 1-2 tablespoon lemon zest (however you can swap for any citrus - lime, grapefruit, orange, blood orange)