Quick bread leavening agents include a weak base, such as baking soda (sodium bicarbonate) plus a weak acid, such as cream of tartar, lemon juice, or cultured buttermilk, to create an acid–base reaction that releases carbon dioxide. (Quick bread leavened specifically with baking soda is often called "soda bread".) Baking powder contains both an acid and a base in dry powdered form, and simply needs a liquid medium in which to react. Other alternative leavening agents are egg whites mechanically beaten to form stiff peaks, as in the case of many waffle recipes, or steam, in the case of cream puffs. Nevertheless,
Buttermilk Crispy Tenders Buttermilk Crispy Tenders Buttermilk Crispy Tenders (formerly known as Chicken Selects) are chicken strips sold by McDonald's in the United States and Canada. They were introduced in early 2002 for a limited time and offered again in late 2003. In the UK, they were launched on the "Pound Saver Menu", which offers various menu items for £0.99. In mid-2006, McDonald's introduced the Snack Wrap, which contains a Chicken Selects Premium Breast Strip, or as of January 2007, a Grilled Chicken Breast Strip, cheddar/jack cheese, lettuce, and either ranch, honey mustard, or chipotle barbecue sauce, all wrapped inside a white flour