How to make a homemade bottle rocket

Let’s Make Sponge Vanilla Cake😋😋🔥 (Without Oven) Ingredients You’ll Need: I will start pre heating the pot for 20 minutes 2 cups of salt (you can use sand) 4 eggs 1 cup of sugar Beat for 10 minutes until creamy Half cup of milk Half cup of vegetable cooking oil 1tbsp vanilla essence 2 cups of all purpose flour 1tsp of baking powder Sieve the flour to avoid lumps Tap to remove the excess bubbles Set your time at 55 minutes For the custard filling you’ll need: 2 cups of milk 2 tbsp of sugar 2tb