Combine box of gelatin and 1/2 cup of water in stand mixer bowl. Let’s sit and solidify for about 5 minutes while melting sugar.
In a saucepan on high heat combine sugar with 1/4 cup of water. Do not stir, stirring will make crystals form.
Melt the sugar until temperature reaches 240 degrees or the softball mark on a candy thermometer.
Once temperature is achieved, pour over gelatin while mixing on medium with whisk. After mixed together, set mixer on high and let mix for 10 minutes or until marshmallow fluff forms. For flavoring option, add vanilla at the point of whipping.
In 9 x 9 pan, grease with oil then dust with powdered sugar. Pour whipped marshmallow into pan and coat top of marshmallow with a dusting of powdered sugar.
Let marshmallow sit for a couple of hours before removing and serving.
Cut marshmallow bricks to measurements of cookie cutter
Cut marshmallow brick in half to make marshmallow and inch thick
Using the peeps bunny cookie cutter (or any cute cutter you desire), compress the cutter onto the marshmallow brick and remove excess marshmallow.
Apply colored decorating sugar to marshmallow after brushing outside of marshmallow with a little bit of water fully coating peep.
Let dry and serve.