Preparation Sprinkle veal with salt and pepper. Melt butter in heavy large pot over medium-high heat. Add veal; sauté until brown on all sides, about 5 minutes. Reduce heat to medium. Add sliced fennel bulb, carrots, and onion; sauté 5 minutes. Add 2 1/4 cups broth; bring to simmer. Cover pot; reduce heat to medium-low. Simmer until veal and vegetables are tender, about 20 minutes. Mix cornstarch and remaining 1 tablespoon broth in bowl; add to stew. Increase heat; bring to boil, stirring often. Reduce heat to medium. Add lemon juice and peel; simmer 2 minutes. Stir in fennel fronds. Serve hot.
Preparation Sprinkle veal with salt and pepper. Melt butter in heavy large pot over medium-high heat. Add veal; sauté until brown on all sides, about 5 minutes. Reduce heat to medium. Add sliced fennel bulb, carrots, and onion; sauté 5 minutes. Add 2 1/4 cups broth; bring to simmer. Cover pot; reduce heat to medium-low. Simmer until veal and vegetables are tender, about 20 minutes. Mix cornstarch and remaining 1 tablespoon broth in bowl; add to stew. Increase heat; bring to boil, stirring often. Reduce heat to medium. Add lemon juice and peel; simmer 2 minutes. Stir in fennel fronds. Serve hot.