Ham Katsu with Roasted Inexperienced Beans

For the katsu sauce: ¹/₄ cup ketchup ¹/₄ cup Worcestershire sauce 2 teaspoons oyster sauce 2 granulated white sugar 2 teaspoons mirin 2 teaspoons soy sauce For the inexperienced beans: 2 kilos inexperienced beans, trimmed 1 tablespoon olive oil ¹/₂ teaspoon Kosher salt For the ham steaks: 4 canola oil 2 8-ounce Smithfield Boneless Ham Steaks Kosher salt freshly floor black pepper ¹/₂ cup all-purpose flour 2 eggs, overwhelmed 1 ¹/₂ panko bread crumbs