Preheat oven to 350 degrees and prep four ramekins or a baking dish by spraying lightly with oil.
Method one: Add all ingredients except for chocolate into a food processor or high speed blender. Blend on high until batter is smooth.
Method two: Pulse rolled oats in the food processor until blended into a fine texture. Add to a large bowl and combine with dry ingredients: dark brown sugar, flax seed, salt and baking powder. Then add wet ingredients: Greek yogurt, milk, vanilla extract and eggs and combine well.
Stir in chocolate chips.
Pour batter evenly into each ramekin and top with more chocolate chips as desired.
Bake at 350 for 25-30 minutes depending on how firm you like your baked oats. When baked oats area ready, they will be slightly golden brown and feel firm but stlil a little spongey in the middle. A fork should come out mostly clean with a few crumbs.