Mix the crushed Blueberry Chex Cereal with melted butter, then fold in chopped white chocolate.
Press into muffin liners
CHILL
Mix cream cheese, butter, powdered sugar, vanilla, and lemon juice with a hand mixer until blended nicely.
Dollop into cereal base to muffin liners
Top with lemon zest and 3 blueberries (or more!)
Chill until firm