Chocolate or jam croissant with all the secrets from Eliza

Chocolate croissants by Eliza with all the information for sure success. Ingredients: 700g flour, 270ml milk, 100g butter (margarine), 100g sugar, 2 eggs, 2 sachets of yeast (16g), 1 sachet of vanilla, 1 tablespoon of orange zest, half a teaspoon of machete and chocolate or marmalade.