Slow-Cooker Classic Beef Stew

在中高煎锅中加热1汤匙油。用辣椒和1茶匙盐洒牛肉。将一半的牛肉加入煎锅，厨师，直到2侧褐色，每侧3到4分钟。将褐色的牛肉转移到6夸脱的慢炖锅。重复剩余1汤匙油，剩下的一半牛肉。

将蘑菇添加到煎锅，煮熟，经常搅拌，直到褐色，5分钟。转移到板，盖子和冷藏。将红洋葱和胡萝卜添加到煎锅上。厨师，偶尔搅拌，直到红洋葱开始棕色，约5分钟。添加大蒜;煮，搅拌经常，直到芳香，约1分钟。加红酒;亚搏电竞煮至液体几乎蒸发，约4分钟，搅拌和刮擦，从煎锅底部松开褐色的比特。用牛肉加入慢炖锅亚搏电竞。搅拌草药束，海湾叶，土豆和2杯库存。 Cover and cook on LOW for 7 hours.

一起搅拌面粉和尸体ning 1/2 cup stock in a small bowl; whisk into mixture in slow cooker until incorporated. Stir mushrooms, pearl onions, mustard, and red wine vinegar into beef mixture. Increase slow cooker heat to HIGH, and cook, uncovered, until slightly thickened, about 15 minutes. Turn off slow cooker; remove and discard herb bundle and bay leaves. Ladle stew into bowls, and sprinkle with chives.