Potato Soup

Ingredients

• 6 large Russet potatoes
• 1/2 lb sliced bacon
• 1 large brown onion
• 3 cloves garlic
• 2 cups (454 g) half-and-half
• 1/2 tsp (1 g) white pepper
• 1/2 tsp garlic powder
• 1/2 tsp (1 g) onion powder
• 1/2 tsp salt
• 1/2 cup (50 g) Parmesan cheese
• 1 cup (114 g) extra sharp cheddar cheese
• some bacon chives