Masale Aaloo (Spice Potatoes)

INGREDIENTS

• 6 whole russet potatoes
• 1 1/2 teaspoons ground cumin
• 1 1/2 teaspoons ground coriander
• 1 teaspoon amchoor (dried mango powder)
• 1/2 teaspoon crushed red pepper flakes, or to taste
• 1 1/4 teaspoons salt
• 3 tablespoons vegetable oil
• 1 1/2 teaspoons whole cumin seeds