This might be the tastiest way to eat the rainbow.
In large skillet, cook garlic in oil over medium, stirring often, until crispy, 1 to 2 minutes. Add pasta cooking water, chard stems, cheese, and butter. Cook until stems are tender and sauce thickens, 3 to 5 minutes. Add pasta and chard leaves. Cook until wilted, about 2 minutes; season. Garnish with panko and parsley.