Vitello tonnato alla vecchia maniera piemontese

Ingredients: For 500 grams of round (veal): 125 grams tuna in oil - 20 grams anchovies - 20 grams capers - 4 hard-boiled eggs - 40 grams extra virgin olive oil - 20 cl vegetable broth - 100 cl milk - 2 cloves garlic - 6 grams salt - pepper - 89 cl white wine.