Crunchy Peanut Butter and Chocolate Tart

(about 30) chocolate wafer cookies, finely ground

unsalted butter, cut into pieces

semisweet or dark chocolate, finely chopped

white chocolate, finely chopped

creamy peanut butter

peanut brittle, coarsely chopped

dark or semisweet chocolate (50-70%), finely chopped

milk chocolate, finely chopped

heavy cream

butter, at room temperature, cut into smaller pieces