Beef with meatballs

1 1/2 lbs ground beef 2 cups soft bread cubes 1/2 cup milk 1 onion , chopped fine 7 tablespoons butter , divided use 2 1/2 teaspoons salt 2 teaspoons nutmeg 2[...]

50 g pine nuts 500 g lean beef beef mince 2 garlic cloves , crushed 2 shallots , finely chopped good handful fresh basil leaf , chopped 500 g tagliatelle[...]