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| salted butter: 1/2 cup (divided) |
| chicken breasts: 4 breasts |
| green onions - spring or scallion: 3 whole onions (diced) |
| white mushrooms: 1 lb |
| garlic: 3 cloves (crushed) |
| fresh tarragon: 1/2 tsp (chopped) |
| heavy whipping cream (fluid): 1 cup |
| gruyere cheese (shredded): 1 cup |
| amaretto liqueur: 1/2 cup |
| capers (drained): 1/4 cup |
Credit: Food.com