Mix almond flour, oat fiber, melted butter, vanilla, cinnamon, and 2 T sweetener. I used silicone muffin pans. If you don't have these kind, I would recommend that you use liners. Spray silicone muffin pan and divide mixture evenly in each hole. Use the bottom of a jelly jar (or other similar size jar) and use the bottom to flatten the mixture out. Bake at 350 degrees for 5 minutes.
While crust is baking, beat cream cheese. Add eggs, vanilla, lemon juice, and sour cream. Beat. Scrape sides and bottom and scraped again.
Add 1/2 C Sweetener. Beat and scrape as needed, until smooth.
Smash the raspberries and sweetener together.
Divide cheesecake mixture evenly on top of the crust mixture. I used an ice cream scoop.
Once the muffin pans are filled, top with the raspberry mixture. Swirl each one with a butter knife. Bake at 350 degree for 20-25 minutes.
If desired, make the berry syrup. Add the ingredients to a small saucepan. I did the strawberries and the cherries first because they were frozen. Once the strawberries had mostly thawed (I also cut them up some), I added the blackberries.
Remove the pans from the oven when they are cooked.
Allow to cool before carefully removing. Store in the fridge.
Smash the berried in the syrup and allow to cook on a low boil for at least 5 minutes. Store in a small jar and store in the fridge.