Green Chile Chicken and Potato Soup

Bahan-bahan (4 porsi)

• 2 teaspoons butter
• ½ large yellow onion (diced into 1/2" pieces)
• 3 stalks celery (very thinly sliced)
• 1 large chicken breast (cooked and shredded or chopped, about 1 1/2 cups)
• 1 pound russet potatoes (peeled and diced into small 1/2" pieces, this was 1 extra large potato)
• 7 ounces chopped green chile
• 4 cups chicken stock
• 1 teaspoon oregano
• ½ teaspoon marjoram
• 1 teaspoon kosher salt
• ½ teaspoon freshly ground black pepper