In a small saucepan, combine the brown sugar, butter, minced garlic, broth and salt.
Heat over low until the sugar dissolves and the mixture is well combined.
Remove from heat.
Arrange the green bean bundles in a 13x9 inch baking dish (if frozen, no need to defrost).
Drizzle the brown sugar and garlic braising liquid over the bundles.
(MAKE-AHEAD OPTION for day before) Cover the dish and refrigerate overnight.