More videos from this episode Supermarket Whole Bean Coffee We secretly replaced our tasters' favorite gourmet coffee with supermarket beans. Could they tell the difference? Coffee Makers Most models turn costly beans into mediocre coffee: too weak, too flat, or too bitter. What’s so hard about making a decent drip coffee maker? Sticky Buns with Pecans These bakery favorites are often too sweet, too big, too rich, and just too much.