Oat milk is a popular dairy-free, vegan-friendly milk substitute. It's made by soaking and blending steel-cut or rolled oats with water and then straining them through cheesecloth to separate the milk from the oats. (from Healthline)
What is the b'racha on oat milk? Would it be shehakol by analogy with milk and other beverages, or might it be mezonot because it is derived from grain?