Meanwhile, distribute the remaining olive oil among the heavy skillet and another pan that is slightly smaller in diameter. After 20 minutes, set both pans on separate burners over medium heat. Pour the egg mixture into the smaller diameter pan and cook until the eggs start to set. Drain oil from larger pan and lock it into place on top of the other pan, then gently flip the pan over. Cook the tortilla on other side just until the eggs are fully set, and the surface becomes a lovely golden color.