Big Efforts: Palos Verdes Peninsula kitchens and elegant homes were on tour for the Circle support group of the Palos Verdes Art Center "A Cook's Tour." They belonged to Susie Hood, Robert and Mary Beth Van Dine, David and Barbara Hart, John and Carol Cobabe, Dr. Mel and Janice Snyder and Carol Wharton. . . . Scholarships totaling $54,000 were awarded to 27 minority college students at the Golden State Minority Foundation 11th annual fund-raising dinner at the Beverly Wilshire. Wallace W. Booth, chairman and chief executive officers of Ducommun Inc., was dinner chairman; journalist Tony Brown was keynoter. . . . The Los Angeles Theater Unit, which recently celebrated its 100th performance of "Andrea's Got Two Boyfriends" by David Willinger, hosted the benefit performance for Tierra del Sol, a school for developmentally disabled adults. The survival of the school is being threatened by the sale of property it occupies.