Chocolate and Squash Cake

|The squash flavour is really really subtle and makes it quite moist so will last for four or five days and still taste fresh.|squash|250g squash170g butter3 eggs300g sugar1 teaspoon vanilla extract125 ml plain yogurt225g plain flour2 teaspoon baking powder75g cocoa powder0.5 teaspoon salt||15.00 minutes|8|https://www.localgreens.org.uk/recipes/chocolate-and-squash-cake