1 cup fat-free plain yogurt
1 cup fat-free mayonnaise
1 (10 ounce) package chopped frozen broccoli, thawed and drained
1 (2 ounce) jar diced pimientos, drained
2 tablespoons minced fresh parsley
1 tablespoon chopped green onion
1/2 teaspoon dill weed
1/8 teaspoon garlic powder
1 (1 pound) loaf unsliced French bread