Baked Potatoes With Pesto

1 cup reduced-fat sour cream (8 ounces) 1 cup shredded white cheddar cheese (4 ounces) coarse salt and pepper 8 medium baking potatoes , scrubbed 1 tablespoon[...]

2 lbs red potatoes, peeled 2 tablespoons olive oil 1 (14 ounce) can diced tomatoes , drained 1 garlic clove , minced 2 tablespoons canned anchovies , drained[...]