1 cup graham cracker crumbs
3/4 cup sugar, divided
6 Tbsp. butter, melted and divided
1 1/2 cup sour cream
1 Tbsp. flour
2 tsp. vanilla
2 8-oz packages cream cheese, softened
1/4 cup peppermint candies, coarsely crushed
Garnish: frozen whipped topping, thawed; crushed peppermint candies
Blend crumbs, 1/4 cup sugar and 1/4 cup melted butter in bottom of ungreased 8" round springform pan; press evenly over bottom.
Blend sour cream, remaining sugar, eggs, flour, and vanilla in a blender or food processor until smooth, stopping to scrape sides. Add cream cheese and blend; stir in remaining 2 Tbsp. melted butter until completely smooth. Fold in crushed candy and pour over crust.
Bake at 325 for 45 minutes. Remove from oven and run a knife around edge of pan. Cool, then refrigerate overnight. Loosen pan sides and remove springform; serve garnished with whipped topping and crushed candy.