Line an 8x8-inch square baking pan with parchment paper, leaving a little overhang on the sides (trust me, this makes removal so much easier). Mix together 2 cups graham cracker crumbs, melted butter, and 1/2 cup granulated sugar until it resembles wet sand. Press this mixture firmly into the bottom of your prepared pan—I use the bottom of a measuring cup to get it nice and even.
Pop that crust in the freezer for 15 minutes while you prep the filling. You want it firm enough to support the layers without getting squished when you add the cream cheese mixture on top.
Beat softened cream cheese, 1 cup powdered sugar, 1 teaspoon vanilla, and 1/4 teaspoon salt together until completely smooth and fluffy, about 2 minutes. Don't skip the beating time—those few extra minutes make the filling incredibly creamy instead of dense.
Gently fold in 1 cup whipped topping until no streaks remain. This is where the magic happens—that whipped topping keeps everything light and airy. Be gentle with your folding motion so you don't deflate all those lovely air bubbles.
Spread half of the cream cheese mixture over your chilled crust in an even layer. Then mix 1 cup chopped fresh strawberries with 2 tablespoons lemon juice in a small bowl—the acid keeps them from turning dark and adds brightness to every bite.
Scatter the strawberry mixture over the cream cheese layer, then top with the remaining cream cheese filling. Smooth the top gently so everything layers nicely without disturbing the strawberry layer underneath (this takes a light touch but comes together beautifully).
Cover and refrigerate for at least 4 hours, though overnight is even better—these no bake strawberry cream bars get creamier and more flavorful the longer they sit. Sprinkle with 1 tablespoon powdered sugar and 1/4 cup toasted almond slivers just before serving for that fancy finishing touch.