Cheesy Au Gratin Potatoes {Gluten-Free}

Ingredients

• 3 pounds potatoes, washed
• 1/4 cup unsalted butter
• 1 cup milk (I use 2%)
• 4 cloves garlic (use only 2 or 3 for less garlic flavor)
• 1 cup half and half (or another cup milk, but sauce may be slightly less thick)
• 1 cup chicken stock
• 1/4 teaspoon Wildly Organic Pink Himalayan Sea Salt
• 1/4 teaspoon Wildly Organic Ground Black Pepper
• 1/4 teaspoon Wildly Organic Ground Paprika
• 3/4 cup cheddar cheese, shredded
• 3/4 cup provolone or Monterey Jack cheese, shredded
• 1/3 cup g luten-free, all-purpose flour