Dark Chocolate Pudding

Ingredients (6)

• + 1 cup white sugar, divided add to pantry
• ✓ 2 tablespoons all-purpose flour
• + 1 egg add to pantry
• ✓ 2 cups milk
• + 4 (1 ounce) squares semisweet dark chocolate (such as Baker's®) add to pantry
• + 1 teaspoon vanilla extract add to pantry