Fabulous Colcannon (Mashed Potatoes and Cabbage)

INGREDIENTS

• 3 pounds potatoes, peeled and cut into chunks
• 1/4 cup milk
• 2 tablespoons mayonnaise
• 1/4 cup unsalted butter
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• 4 slices bacon, chopped
• 1 onion, diced
• 1 clove garlic, minced
• 1/4 teaspoon cayenne pepper
• 1/2 head cabbage, sliced into thin strips
• 1/2 cup water
• salt and ground black pepper to taste
• 2 cups fully cooked ham, cut into bite-size pieces