pretty in purple — Les Petites Gourmettes

Ingredients

• 1 head of purple cauliflower, trimmed and cut into florets
• 1 cup boiled purple potato cubes
• 2 tablespoons olive oil, divided
• 1/4 teaspoon crushed red pepper flakes, divided
• Salt and freshly ground black pepper
• 1 small red onion, peeled and diced
• 1 garlic clove, peeled and minced
• Water
• 1/3 cup cream or milk, optional
• 1 green onion, minced