1. To prepare sauce, combine first 5 ingredients in a small bowl, stirring with a whisk until smooth. Cover and refrigerate.
2. To prepare quiches, preheat oven to 375°.
3. Combine breadcrumbs and next 4 ingredients in a small bowl. Combine mayonnaise and next 3 ingredients in a medium bowl, stirring with a whisk until eggs are beaten. Fold crabmeat into egg mixture; fold in breadcrumb mixture. Lightly spoon crab mixture evenly into 24 miniature muffin cups coated with cooking spray.
4. Bake at 375° for 15 minutes or until set and beginning to brown. Cool in pans 5 minutes before serving. Run a small sharp knife around edges of quiches; remove from muffin cups, and place on a serving platter. Serve with sauce.