Patina--vinegar (white or apple cider) and salt. For small items, fill a quart yogurt container half full of vinegar, and sprinkle in about 1 tsp salt. Add any metal you want to 'age'. Seal if you touch items a lot
Avocado Egg Salad: 4 hard-boiled eggs, 1 large avocado, 2 T. yogurt, 1 t. Pinch of salt and pepper. the best hard boiled egg salad i have ever had in my LIFE! i get bad cravings for this, so be forewarned!