- Melt the chocolate chips and butter over low heat on the stove or use a microwavable mixing bowl and microwave for 1-2 minutes and stir until completely smooth. Set aside. 
- Preheat oven to 350 degrees F.  Grease an 8 inch springform pan or use parchment paper and place pan onto a small baking sheet pan. 
- Add the oil, eggs, yolk, vanilla extract, stevia and cream to a stand mixer with the whisk attachment or large bowl and use a hand mixer, mix until combined. 
- Slowly pour in the melted chocolate while the mixer is on low speed. 
- Add the remaining dry ingredients and blend until combined. 
- Stir in the optional chocolate chips if desired. 
- Pour batter in pan and bake dessert for 30 minutes. Allow to cool completely before proceeding.