Whoopie Pie Burgers

1 2/3 cup gluten-free flour

1 1/2 tsp baking soda

1/2 tsp ground cinnamon

pinch of salt

4 TB vegan, soy free butter

4 TB vegetable shortening 

1/2 cup cane sugar

1/2 cup mashed ripe banana

2 tsp pure vanilla extract

1 1/4 cup non-dairy milk (we used flax milk)

2 tsp black sesame seeds, chia seeds or chocolate chips

vegan butter, softened

confectioners sugar

salt

pure vanilla extract

TB dairy-free creamer

*** 1/3 Cup cocoa powder for the chocolate frosting

*** 2 drops yellow food coloring for the mustard

Sliced fresh strawberries

Coconut chips or shreds, mixed with 1-2 drops of green food coloring.