Mixed Vegetable Piroshki

Name: Mixed Vegetable Piroshki
Ingredients: 3 cups bread flour; 1 cup white whole wheat flour; 3 eggs; 1 cup lowfat milk; 1 teaspoon salt; 3 teaspoons yeast; 2 teaspoons sugar; 2 Tablespoons olive oil; For the filling:; 8 – 10 brussels sprouts; 1 Tablespoon olive oil; 2 large sweet onions, peeled & chopped; 3 cloves garlic, peeled & chopped; 2 medium golden potatoes, peeled & chopped; 1 1/2 teaspoons olive oil; 1 cup frozen peas; 1 cup frozen chopped broccoli; 1 teaspoon dill; 1/2 cup light sour cream; Freshly ground pepper, to taste