3 tablespoons butter , divided
¼ cup minced garlic
¼ cup chopped green onion
2 pounds small clams or cockles
1 ½ cups white wine
2 chicken bouillon cubes with 1 ½ cups water or 1 ½ cups chicken broth
juice of ½ lemon
½ cup cream or half and half
Chopped parsley for garnish