input question: Make Keto buttercream

output answer: 8 oz. unsalted butter, at room temperature 2 tsp vanilla extract 1 tsp ground cinnamon 1 - 2 tsp erythritol (optional) Brown of the butter in a small sauce pan until it turns amber in color, but without burning it. Pour the browned butter in a beaker and whisk in the rest of the butter bit by bit with a hand mixer until fluffy. Add cinnamon and optional sweetener towards the end.

input question: To bake the cheesecake batter.

output answer: Put the cheesecake batter in a baking dish. Place the baking dish on a pan with hot water into the oven at 350 F and bake for 1-2 hours.

input question: To prevent dripping before soldering vertical joints in plumbing pipe.

output answer:
Wipe off excess flux before soldering.