Step 1Preheat oven to 190 °C/ 375 °F (conventional oven) or 170 °C/ 340 °F (fan-assisted oven). Place butter, Swerve, low-carb maple syrup and vanilla in a pan on the stove over medium heat and melt together.
Step 2Meanwhile, place all dry ingredients into a bowl and mix to break up any clumps. Line two large baking trays with ovenproof paper.