One-Pot Meal of Shrimp

ONE-POT MEAL OF SHRIMP, CANNELLINI BEANS AND COUSCOUS 1 (10-oz.) box couscous ¼ t. salt 4 t. butter, divided 2 T. minced garlic 4 green onions, chopped 1 lb. medium shrimp, peeled and deveined 1 (15.5-oz.) can cannellini beans, rinsed…