• 1 lb ground beef
• 2 tbsp minced garlic
• 2 tsp basil flakes
• 1/2 tsp garlic powder
• 1/4 tsp onion powder
• 1 tsp sea salt
• 1 tsp black pepper
• 1 red onion, sliced
• 2 brioche burger buns
• 2 slices mozzarella cheese
• 2 slices Gouda cheese
• mayo, optional

For the chimichurri:

• 1/2 cup olive oil
• 1/2 cup fresh parsley
• 2 tbsp red wine vinegar
• 1/4 tsp ground cumin
• 1/4 tsp red pepper flakes
• 1/4 tsp sea salt
• 1/4 tsp black pepper