Start by making the crust. Preheat an oven to 325˚F. Add crackers to a food processor, and blitz to a fine crumb. Add the melted butter, brown sugar and a pinch of salt, pulsing to combine. The mixture should resemble damp sand.: The smell of warm butter and toasted crumbs is immediate, and you should notice a faint nutty aroma as the mixture comes together. The texture will be like damp sand, cohesive when squeezed between your fingers, which ensures it will press and hold in the pie plate. This tactile check matters more than timing because an under-browned crust can fall apart and an overworked crumb can become greasy. A common mistake is adding too much butter, which makes the crumb overly soft and hard to set, so add it gradually and test the squeeze. Pulsing in short bursts prevents overprocessing and keeps the crumbs light rather than pasty.
Transfer the crust to a 9-inch pie plate and press evenly and well into the bottom and sides of the plate. I like to use the bottom of a 1/2 measuring cup to help with the pressing. Bake until the crust is set and golden (about 15 minutes). Transfer to a cooling rack once done.: When pressing the crust, pay attention to edges and corners; they should be uniform in thickness so the pie slices hold their shape. As the crust bakes, it will release a toasty, slightly caramelized aroma and the surface will deepen to a warm golden color, signaling readiness. Letting it sit on a cooling rack prevents residual steam from making the base soggy. A frequent error is pressing too thin in places, which leads to breakage when slicing, so keep pressure steady and even. If the crust browns too quickly at the edges, tent with foil to avoid bitterness.
Meanwhile, make the filling. Wash and dry out the food processor, then add cream cheese, sour cream and sugar, blitzing until smooth and scraping down the sides as needed. Add the eggs, lemon juice and pinch of salt, and continue to process until the mixture is completely smooth.: You will notice the filling transform from lumpy to glossy as the processor works, releasing a tangy dairy perfume with a hint of citrus. The smooth texture is crucial for a creamy, uniform bake and avoids curdling or uneven set. Scraping down the sides ensures no pockets of cream cheese remain, which would cause lumps. A common trap is using cold cream cheese , which resists pureeing and leaves grainy bits, so be sure it is at room temperature. Also, avoid overwhipping which can introduce air, leading to cracks as the pie cools.
Place the pie plate onto a rimmed baking sheet, then pour the filling into the warm pie crust. You may not use all the filling. Bake the pie until the filling is set and no longer jiggles when slightly shaken (30 - 35 minutes). Turn the oven off, crack the door and let the pie cool in the oven for 15 minutes. Transfer the pie to a wire rack and let cool completely before transferring to the fridge. Let chill in the fridge for at least 1 hour before serving.: As the pie bakes, the filling will puff gently and the edges will take on a subtle sheen. The aroma will be gentle, a soft dairy scent with citrus highlights. The no-jiggle test is very reliable: the center should feel set but still slightly wobbly like a custard. Cracking often happens if the oven temperature is too high or the pie is overbaked, so aim for a gentle, even set. Letting it cool in the oven with the door ajar reduces thermal shock and greatly reduces cracking. The chill time firms the filling and makes slicing clean; rushing to slice a warm pie is a sure way to end up with messy pieces.
While the pie is cooling, add strawberries to a medium bowl and toss with confectioners sugar. Once ready to serve, pile the strawberries on top of the chilled pie and sprinkle with flaky sea salt.: Tossing the strawberry with a little confectioners sugar draws out a fragrant syrup that glistens when spooned atop the pie. The contrast of the glossy red fruit on the pale filling is visually striking, and the tiny pops of flaky sea salt at the finish cut through the sweetness for complexity. A common oversight is adding the berries too early, which makes them watery; instead, top just before serving to keep the presentation fresh. If you prefer, arrange the berries decoratively for a special occasion, but piling them high creates an inviting, rustic look.