Preheat oven to 375 degrees. Spray 10-inch baking pan or pie dish with baking spray.
In a small saucepan, add milk and cream. Split vanilla bean lengthwise and scrape out seeds. Add bean and seeds to pan. Heat until warm and just starting to simmer. Remove from heat, and set aside. Discard vanilla bean pod.
In a large bowl combine sugar, eggs, flour and salt. Add the hot cream mixture gradually, whisking, until smooth. Arrange pitted cherries in an even layer in prepared pan Pour custard over cherries.
Bake for 35-45 minutes at 375 degrees or longer until custard is set in the middle and top is browned.
Dust with powdered sugar and serve.
Recipe by My Judy the Foodie at https://www.myjudythefoodie.com/2016/06/cherry-vanilla-bean-clafouti-2/