Avocado Grilled Cheese

Bahan-bahan (2 porsi)

• 4 slices whole wheat bread
• 2 tablespoons softened butter (plus additional 2 tablespoons for cooking the sandwiches)
• 1 large avocado (lightly mashed)
• 1/2 teaspoon kosher salt
• 1/2 teaspoon garlic powder
• 1/4 teaspoon ground black pepper
• 6 ounces softened goat cheese
• 1 tablespoon chopped fresh basil
• 1 tablespoon chopped fresh parsley
• 1 tablespoon chopped green onion
• 1/2 cup fresh spinach leaves