Strawberry Cream with sugar

3 tablespoons cornstarch 2 tablespoons all-purpose flour 1/4 teaspoon salt 1 cup sugar, divided 3 cups half-and-half 6 egg yolks 2 teaspoons vanilla extract 1[...]

1 large sponge cake 1 1/4 pints double cream, 750ml (heavy cream) 1 ounce caster sugar , 25g (fine granulated) 1 tablespoon orange liqueur 7 fluid ounces[...]