Gluten-Free Brownies

250 gr / 8.8 oz butter (melted)
1 cup sugar
3 eggs
1 cup cocoa
Salt

Whisk melted butter and sugar thoroughly. Then, add eggs one by one and go on stirring. Add cocoa and a pinch of salt. Stir slowly with a spatula. Pour the batter on a pan covered with baking paper. Put it in the oven 180 ⁰C /350 ⁰F for 25-30 minutes. Bon appétit!