Worcestershire sauce. your favorite mustard. oil (olive, canola, etc.) salt and pepper. one flank steak (one to two pounds) Make a marinade by mixing equal parts Worcestershire sauce, mustard, and oil in a bowl (these ingredients will add that traditional steakhouse-y flavor).
To evolve Feebas into Milotic, you need to let your Feebas hold a Prism Scale and then trade it to another game. And there are actually two Prism Scales in both X and Y. The first one is hidden near the waterfalls in Couriway Town (use your Dowsing Machine). The second is in Lumiose City in the building next to the Hotel Richissime. On the fourth floor, a child will give it to you. EDIT: 'd...
For Growlithe I would evolve it at level 49 after it has learnt Flamethrower. But if instead of Flamethrower you want it to learn Extremespeed evolve it at highest level 48. I would evolve Pikachu after it has learnt it's final move Light Screen at level 50. Because Pikachu can't learn any moves after it has evolved. For Nidorino you could evolve it between levels 34 and 42.