Add white wine and cook, stirring, until liquid has evaporated, about 2 minutes.
Stir in 6 tablespoons of butter, chopped herbs, minced garlic, escargots, salt, and pepper. Cook for 5 minutes, stirring frequently, then pour into a broiler-safe baking dish.
Cut the baguette into 1/4-inch thick slices.
Line a baking sheet with aluminum foil and arrange baguette slices in one layer.
Stir together the remaining 4 tablespoons of butter and garlic powder.
Spread each piece of bread with garlic butter, then sprinkle 1/4 cup of Parmesan cheese evenly over the toasts.
Place baking dish with escargots in the preheated oven and bake 5 minutes.
Remove the baking dish from the oven, and sprinkle the escargots with the remaining 1/4 cup Parmesan.
Put the baking dish under the broiler and broil for 1-2 minutes, until butter is bubbling and cheese is golden brown.
Remove from the oven, and place on a trivet to cool slightly.
Put the baking sheet with garlic toasts under the broiler, and broil for 1 to 2 minutes, until cheese is melted and edges are golden brown.