In a stand mixer or a bowl add 1 cup heavy whipping cream. Whip till soft peaks appear.
1½ cup Heavy Whipping cream
Place the bowl in the refrigerator till ready to use.
In a pan add water and dissolve agar-agar powder in it.
1 teaspoon Agar-Agar powder, 3 tablespoon Water
Stir well and place on the stove. Add in sugar, corn starch and vanilla extract.
1 teaspoon Corn starch, 1 tablespoon Sugar, ½ teaspoon Vanilla Extract
Bring everything to a boil and then add ½ cup heavy whipping cream. Mix well and let it warm up.
Turn the stove off and let everything cool for a few minutes.
Once it is cool, pour the mixture into the whipped cream and mix lightly till smooth.
Using a piping bag or spoon fill dessert bowls with the mousse.
Place in the refrigerator to chill.