1. Finely slice the onions and dissolve 2 teaspoons of veal stock in 10 cl of water.
2. In a cast iron casserole dish, heat the butter and olive oil.
3. Brown the meat on all sides in the casserole dish, then transfer it to a plate.
4. Add the onions to the casserole dish and let them cook for 1 minute while stirring constantly.
5. Add 2 tablespoons of honey and cook for an additional minute, still stirring.
6. Pour in the mixture of water and veal stock, as well as the white wine, and mix well to deglaze the pan.
7. Return the roast to the casserole dish, cover, and let it cook for about 45 to 50 minutes on medium heat (very low simmer), turning the meat occasionally.
8. Slice the roast.