For best results, use freshly made guacamole. Store-bought guacamole can be used in a pinch, but the flavor won't be as vibrant. Adjust the amount of jalapenos to your preferred level of spiciness, or omit them altogether for a milder dip. Feel free to substitute other toppings like diced tomatoes, shredded lettuce, or a drizzle of hot sauce. This dip can be assembled ahead of time and refrigerated until ready to bake. Add about 10 minutes to the baking time if baking from cold. Consider broiling for the last minute to brown the cheese