1/2 cup chopped onion |
cooking spray |
4 ounces shredded gruyère cheese (about 1 cup) |
1/2 cup canola mayonnaise |
1 teaspoon worcestershire sauce |
1/2 teaspoon dry mustard |
1/8 teaspoon freshly ground black pepper |
1 (8-ounce) block fat-free cream cheese, softened |
2 tablespoons chopped green onions |
4 center-cut bacon slices, cooked and crumbled |