How to make Caramel plz!

for slice. i have tin of condensed milk & golden syrp anything else! & how muchThank's

Chocolate Caramel Slice

BASE:

125grams (1/2 cup) softened butter
1/4 cup of sugar
1 egg
1 cup flour
1 teaspoon baking powder
1 tablespoon cocoa

FILLING:

1 can sweetened condensed milk
2 tablespoons golden syrup
25grams (1-3/4 tablespoons) butter
1/2 teaspoon vanilla essence

CHOCOLATE ICING:

2 cups icing sugar
3 tablespoons cocoa
25grams (1-3/4 tablespoons) melted butter
Boiling water enough to mix to a smooth paste

PREPARATION:

Preheat oven to 180C (350 F).
Make the base.
Cream the butter and sugar, add the egg then the dry ingredients.
Mix well.
Press the mixture into the base of a well greased and baking paper lined 20x30cm sponge roll tin.
Bake for 15mins.

While the base is cooking prepare the caramel filling.
Place all ingredients into a small saucepan and cook over a medium heat, stirring constantly, for 4-5 minutes until the mixture has thickened and become caramel like.
Pour this over the cooked base and return it to the oven to bake for a further 5 minutes.
Remove from the oven and cool completely.
When cold ice with chocolate icing and cut into squares.

for slice. i have tin of condensed milk & golden syrp anything else! & how muchThank's