Thai Curry with butter

1 lb chicken breast , cubed (may be slightly over a lb) 1/2 small lemon 2 -3 tablespoons vegetable oil (I use a blend) 3 -4 garlic cloves , chopped 1/2 small[...]

4 tablespoons unsalted butter 1 large onion , thinly sliced 1/4 cup thinly sliced fresh ginger 1 cup slivered fresh ginger 2 tablespoons Thai red curry paste[...]