Use instant lemon pudding for best firm layers., Softened cream cheese blends smoothly; avoid lumps., Use half-and-half for best texture; whole milk can substitute, avoid skim or low-fat milk., Freeze crust after pressing; chill between layers to keep layers distinct., Spread layers gently to avoid mixing them., Fold Cool Whip gently to maintain light texture., For fresh berries instead of canned pie filling, toss with sugar and cornstarch or cook briefly to thicken and cool fully before layering., For neat slices, chill overnight and use a warm, dry knife between cuts., To make gluten-free, substitute gluten-free graham crackers or cookie crumbs., Can substitute crust with Nilla Wafers, Honey Teddy Grahams, lemon sandwich cookies, or Oreos; adjust sugar and use salted butter if cookies are sweeter., Cool Whip can be substituted with homemade whipped cream made from heavy cream, powdered sugar, and vanilla., Do not leave dessert out at room temperature for extended periods due to dairy content., Freeze components separately to minimize texture loss if freezing is necessary.