Potato Colcannon - Side Delights

Ingredients

• 1 pound russet potatoes, scrubbed and cut in cubes
• 1 tablespoon butter
• 1/2 cup thinly sliced onion
• 6 cups thinly sliced green cabbage (about 1/2 head) OR kale
• 1 cup low-fat milk
• 1 teaspoon salt
• 1/4 teaspoon white pepper