It's likely that you have all the ingredients for this recipe without going to the store.
1 Combine first 3 ingredients in a medium saucepan. Whisk in milk. Bring to a boil over medium heat, whisking constantly. Cook, stirring constantly, 1 minute or until pudding thickens. Remove from heat, and stir in vanilla.
2 Pour pudding into a small bowl. Cool to room temperature, stirring occasionally. Cover with plastic wrap, and chill in the refrigerator at least 3 hours. Serve pudding with whipped topping and sprinkles, if you'd like.