Salvadorean Pupusas with Oat Dough - Prairie Oat Growers Association (POGA)

Ingredients

• ¼ cup vegetable oil, plus more for cooking
• 1 medium white onion
• 2 cloves of garlic
• 15 oz can red beans, kidney beans, or black beans
• to taste
• 1 cup masa flour (or white flour)
• 2 cups oat flour
• 2 cups very hot water, plus more as needed
• 1 cup (110 ounces) grated queso Oaxaca or salted mozzarella