Garlicky Avocado Grilled Cheese with Tomato Pesto

Ingredients (10)

• 3 tablespoons salted butter
• 2 teaspoons onion powder
• 1 teaspoon garlic powder
• 1 teaspoon kosher salt
• 1 teaspoon dried thyme
• 2 slices whole wheat white bread
• 1 tablespoon sun dried tomato pesto
• 1/2 avocado
• 4-5 slices provolone cheese
• 1 teaspoon olive oil