Combine 1 cup crushed graham crackers with 2 tablespoons melted butter and mix until it resembles wet sand. Divide the mixture evenly among 8 clear cups or mason jars, pressing gently with the back of a spoon to create an even layer. You'll want about 1/2 inch of crust at the bottom of each cup. Chill these while you make the mousse—this keeps the crust from getting soggy.

Blend 2 cups fresh strawberries with 1 tablespoon lemon juice and 2 tablespoons granulated sugar until you get a smooth puree. Strain through a fine-mesh sieve to remove seeds if you want a silky texture (I skip this step because I like the seeds, but you do you). You should have roughly 1 cup of puree. Set it aside to cool completely.

Pour 1/2 cup gelatin powder into a small bowl and add 3 tablespoons cold water, stirring gently. Let it sit for 5 minutes to bloom—don't skip this step because it helps the gelatin set properly. Microwave for 15 seconds until the gelatin is warm and liquid, being careful not to boil it.

Whip 1 cup heavy cream with 1/4 cup powdered sugar until stiff peaks form—about 3 minutes with an electric mixer. The cream should look like fluffy clouds and hold its shape when you lift the beaters. This is the base of your mousse, so don't underbeat it.

Fold the cooled strawberry puree into the whipped cream gently using a rubber spatula, using about 12 strokes until just combined. Pour the cooled gelatin mixture into the mousse and fold another 8 strokes until no streaks remain. I always taste at this point and add more honey if I want extra sweetness—totally personal preference.

Stir 1/2 cup sweetened condensed milk into the mousse mixture until everything's evenly combined and creamy. Divide the mousse among your prepared cups, filling each about 3/4 of the way full. Smooth the tops gently and refrigerate for at least 4 hours or overnight—the longer it chills, the better it sets.

Just before serving, top each cup with a strawberry slice, a small drizzle of honey, and a sprinkle of 1/4 cup chopped pistachios divided among all cups. You can also add a tiny dollop of whipped cream if you're feeling fancy. Serve cold and watch your guests absolutely lose their minds over these strawberry mousse cups elegant creations.