Recipe

1. For filling: Bring 6 cups water and bouillon base to boil in large pot over medium-high heat, stirring to dissolve bouillon. Add carrots and next 5 ingredients. Simmer until vegetables are tender, about 7 minutes. Drain; reserve vegetables and broth.

2. Melt butter in same pot over medium heat. Add onions; sauté until beginning to brown, about 10 minutes. Mix in garlic and rosemary; stir 2 minutes. Add flour; stir 1 minute. Gradually whisk in reserved broth, then cream and Sherry. Cook until sauce is thick and reduced to 4 cups, whisking often, about 8 minutes. Mix in reserved vegetables and parsley. Season with salt and pepper. Transfer filling to buttered 13x9x2-inch baking dish. DO AHEAD: Can be made 2 days ahead. Cover with foil; chill.

3. Preheat oven to 400°F. Bake filling, covered, until bubbling, about 50 minutes. Meanwhile, prepare biscuits.

4. For biscuits: Stir first 4 ingredients in large bowl to blend. Add butter. Using fingertips, rub in butter until mixture resembles coarse meal. Gradually add 1 1/3 cups buttermilk, tossing with fork until dough is evenly moistened and adding more buttermilk by tablespoonfuls if dry.

5. Drop biscuit dough atop hot filling by heaping tablespoonfuls; sprinkle with pepper. Bake uncovered until tester inserted into center of biscuits comes out clean, about 45 minutes. Cool 15 minutes.

6. * Available in the produce section of many supermarkets and at specialty foods stores and Italian markets.