Tangy Rhubarb Streusel Slice

Tangy rhubarb and a buttery oat streusel combine in this easy, irresistible dessert slice. Perfect for picnics, potlucks, or your next coffee break. rhubarb streusel slice, easy rhubarb dessert, rhubarb crumble bars, tangy rhubarb recipe, oat streusel bars