
4¾ cups coarsely crushed pretzels
5 tablespoons plus 1 cup granulated sugar, divided
1 cup salted butter, melted
1 (8-ounce) package cream cheese, softened
⅔ cup powdered sugar
1 teaspoon fresh lemon zest
2 tablespoons cornstarch
1½ cups water
1 (3-ounce) package strawberry-flavored gelatin
3 pounds fresh strawberries
½ pound fresh raspberries and/or blueberries
Fresh mint leaves, for garnish