Preheat oven to 350F°. In a food processor, turn graham crackers in to fine crumbs. If you do not have a food processor, add graham crackers to a large plastic bag, use a rolling pin or meat tenderizer to smash crackers into crumbs. Add sugar, cinnamon and melted butter to the crumbs in your food processor, blend. If you do not have a food processor, use a small bowl, toss with a spoon or fork until combined.
Press mixture into your tart pan(s) evenly on the bottom and up the sides. Use a smooth flat object to help press and secure the crumbs better, a measuring cup or some other smooth cup is great. With the mini tarts, I used a large cookie scoop to divde the crumb mixture, reserving a small amount of crumbs to fill in any holes. Bake for 10 minutes. If at this point your crust has bubbled at all, press down with your flat cup again. Set aside to cool completely.
Meanwhile, in a sauspan or double boiler (my own personal preference), heat whipping cream over medium heat until bubbles form around the edge. While your cream is heating, break chocolate up into pieces. When bubbles appear, reduce heat to low and begin adding chocolate. Stir until all chocolate has been added and is completely melted. Remove from heat and allow to cool to a lightly warm and touchable temperature. Stir occasionally.
When your crust(s) have cooled, layer sliced strawberries evenly and completely on the bottom.
Pour chocolate over strawberries. In a heatsafe bowl, briefly microwave fluff. 15 seconds max should do the trick. Give a quick stir. Using a small cookie scoop or spoon, drop dollops of marshmallow over chocolate. Use a knife to swirl the marshmallow and chocolate together. Be careful not to disturb the strawberries.
Top off with whole strawberries arranged neatly around the edge for a large tart or one in the center for minis. Chill in the fridge for 30 minutes or more before serving. More is always better as it gives the tart more time to cool off and harden. Keep cool until serving as this will melt immediately on a hot day.
Nutritional information is provided as a courtesy and is an estimate only. Nutrition information can vary for a variety of reasons. For the most accurate data, use your preferred nutrition calculator with the actual ingredients you used to make this recipe.
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