A bread sauce is a warm or cold sauce thickened with bread.

The traditional British bread sauce is made with milk, butter and bread crumbs, flavoured with onion, salt, pepper and bay leaf, and typically with roast turkey at Christmas.

The Italian salsa verde (see Green Sauce) contains parsley, vinegar, capers, garlic, anchovies and sometimes mustard. The bread is soaked in vinegar and blended with the other ingredients, which creates an emulsion somewhat similar to vinaigrette.