1 large head cauliflower (about 3 pounds, cored and cut into uniform-sized florets)
1/4 cup canola oil (or more as needed)
1 teaspoon good-quality curry powder
1 teaspoon ground cumin
1/2 teaspoon garlic salt
1/2 teaspoon ground cardamom
1/2 teaspoon ground ginger
1/4 teaspoon cayenne pepper (or to taste)
1/8 teaspoon Chinese Five Spice Powder