Preheat the oven to 350 degrees. Prep a 10 inch springform pan. Grease with olive oil and line the bottom with parchment.
In a small bowl combine the 1 ½ cups of chocolate chips with two tbsp. of flour. This will prevent the chips from sinking to the bottom of the cake. Set aside.
In a bowl, whisk sugar, flour, baking powder and salt.
In a separate bowl whisk the eggs, ricotta and vanilla until smooth. Fold in the dry ingredients and stir in the butter and then the chocolate chips.
Pour the batter into the pan and top with the rest of the chocolate chips.
Bake in the middle of the oven for about 45-55 minutes, until a knife inserted in the middle comes out clean.
Cool, top with a sprinkle of confectioners sugar and serve.
