Add first 4 ingredients into a 4 qt. saucepan. Bring to a rolling boil over medium-high and hold one minute stirring often
Remove from heat. Add sunflower seed butter (or other nut or peanut butter) to hot mixture and stir until melted.
Add vanilla and sea salt and stir well.
Mix in the oats and flaxseed meal, then stir well.
Place cookie cutters on parchment paper and press mixture evenly into cookie cutters (make sure to press down to get into small creases) OR drop by tablespoons onto parchment paper. Let cool until set.
Carefully remove cookies from cookie cutters after completely cool. If decorating, melt coconut butter until it reaches a liquid state. I put the whole jar in simmering water for a while and stirred occasionally and then scooped about 3 Tbsp out. Spoon liquid coconut butter into a small plastic sandwich bag and cut a small corner off to create a tip. Pipe over cookies to decorate and use tweezers (or tiny fingers) to place sesame seed "eyes" or sprinkle over the cut-outs.