'Butterfly Jam' Review: Barry Keoghan and Riley Keough Serve Up Uneven Culinary Family Drama

Whether or not you can stomach "Butterfly Jam" wholly depends on your taste for sinister whimsy, because that's about all director Kantemir Balagov serves in his English-language debut, heaping it on in portions as heavy as the savory pie stuffed with potatoes, cheese and herbs known as a delen. You'll certainly hear plenty about that particular delicacy as well; chances are, you'll walk out craving both the dish and a feature just slightly more balanced. Opening this year's Directors' Fortnight, the film tracks one of Cannes' most familiar archetypes: The distinctly ethnic . . .