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4. Cheapest Favorite Thing: $2.99 Frozen Biscuits
"On Christmas morning, I plan on making my new favorite biscuits," Oprah said on the 2002 Favorite Things show. She chose Pillsbury Home Baked Classics frozen biscuits, saying: "Andre, who does my hair every morning, said, 'Girl, I found a biscuit! It's so good, it's treacherous.' Your grandmother has nothing on these biscuits."