Peach-Roobios Tea Gummies - To make this vegan, substitute sweetener of choice instead for honey and powdered agar-agar for gelatin using equal amounts. 1 Tbsp. of agar-agar flakes is equal to 1 tsp. of agar-agar powder. Set 2 cups of liquid using 2 tsp. of agar-agar powder, 2 Tbsp. of agar-agar flakes, or one bar.