Strawberry Puree: To a saucepan over medium heat, add strawberries and water. With the lid of the pan on, simmer until strawberries have softened, about 10 minutes, stirring occasionally to prevent sticking. Once softened, mash strawberries with a fork or puree with an immersion blender. (If using an immersion blender, you’ll need to tilt the pan so all the strawberries sit on one side as there’s only a small amount of volume to blend.) Stir in strawberry extract and gelatin powder before setting aside to cool.
Base: Preheat oven to 350 degrees Fahrenheit (~175 degrees Celsius). In a large mixing bowl, using an electric mixer, mix together monk fruit sweetener and egg yolks until well-incorporated and the mixture turns to a pale yellow color, about 2 minutes.
In a separate clean bowl, using an electric mixer with clean beaters, whisk together egg whites until fluffy.
In another separate mixing bowl, whisk together all dry ingredients. Add dry ingredients to bowl of egg yolk mix. Add yogurt and melted butter. Mix with electric mixer to combine all ingredients before adding egg whites, strawberry puree, and water. Mix again until combined, being careful to not overmix and deflate mixture.
Spoon batter into silicone baking cups about ¾ of the way full (they will rise as they cook) and place each individual cupcake mold atop a baking sheet. Transfer baking sheet to oven to bake until a toothpick can be inserted into cupcakes and comes out clean, about 15-20 minutes. After baking, remove baking sheet of cupcakes from oven and allow to fully cool. (They will continue to firm up as they cool so be careful to not overcook.)
Frosting: While cupcakes cool, in a mixing bowl using an electric mixer, whip the heavy cream until stiff peaks form. Stir in Mascarpone cheese, powdered monk fruit sweetener, and strawberry extract with a spoon until well-incorporated. Scoop frosting mixture into a piping bag and pipe atop cupcakes. Option to top each cupcake with half a strawberry or a few chopped strawberries.