Thai Chicken with mushroom

3 cups chicken stock 5 1/2 ounces gingerroot , cut in chunks 12 inches lemongrass , stalk cut into 3 in pieces 1 lime, zest of (zest of one lime) 2 (15 ounce)[...]

1 tablespoon vegetable oil 1 large onion , chopped 1 tablespoon red curry paste (Use less if you can't handle the heat) 1/2 lb mushroom , thinly sliced 4 cups[...]

3 stalks lemongrass , use lower 1/2, peel off outer leaves, cut in 1/2-inch slices 3 -4 garlic cloves , rough chop 4 inches ginger , sliced 1 quart chicken[...]