将多个实体属性与实体列表进行比较

请考虑下面这段代码:

var iList = new List<Entities.Ingredient>
{
    new Entities.Ingredient { Name = "tomato", Amount = 2.0 },
    new Entities.Ingredient { Name = "cheese", Amount = 100.0 }
};


var matches = new DataContext().Ingredients.Where(i => Comparer(i, iList));


private Boolean Comparer(Entities.Ingredient i, List<Entities.Ingredient> iList)
{
    foreach (var c in iList)
    {
        if (c.Name == iList.Name && c.Amount >= iList.Amount) return true;
    }

    return false;
}

有没有更有效的方法?更可取地 没有 太冗长; 从x到y选择z ... 如果可能的话。