Preheat oven to 325 degrees Line baking sheet with parchment paper.

In large bowl, mix together sunflower seed butter, oat milk, apple sauce and calming liquid. Mix in flours and baking powder. Knead in oats.

Roll dough out into ¼” thickness. Using cookie cutters, cut out desired shapes; arrange on baking sheet.

In small bowl, beat together frosting ingredients. Brush frosting over cookies.

Bake 13 minutes. Let biscuits cool before serving. Store in airtight container.