3 tablespoons canola oil
2 large Vidalia or other sweet onions, roughly chopped
4 (15 ounce) cans whole new potatoes, drained
3 tablespoons extra-virgin olive oil
3/4 teaspoon garlic salt
1/4 teaspoon garlic powder
1/4 teaspoon dried minced garlic
2 tablespoons paprika
1/4 teaspoon black pepper
1/2 cup butter, at room temperature