Preheat Oven: Preheat oven to 375°F (190°C). Line a baking sheet with foil for easy cleanup.
Make the Spread: In a bowl, combine softened butter, green chiles, garlic, onion powder, black pepper, cheddar, and Monterey Jack until evenly mixed.
Assemble the Bread: Spread the cheese and chile mixture evenly over both halves of the French bread. Place on the prepared baking sheet.
Bake: Bake for 12–15 minutes until the cheese is melted and bubbly. Optional: broil 1–2 minutes for a golden, slightly crispy top.
Serve: Garnish with chopped parsley, slice into servings, and serve hot.
Serving and Storage Tips
