Blend cheese, butter (if using) and garlic in food processer until combined. Drizzle in wine with the motor running until you get your desired consistency — some like it completely smooth, others prefer chunks. Add herbs, pulsing the machine until just combined. Season to taste with salt and pepper. Fromage fort can be used right away, or kept in the fridge until needed. In the fridge, it will thicken and age a little; the flavors will mingle and deepen.