Heat 1 tablespoon butter in a large saucepan overmedium-high heat until melted. Add the onion and sauté for 5 minutes stirringoccasionally, until softened. Add the garlic and sauté for 1-2 more minutes,stirring occasionally, until cooked and fragrant.
add in the pinto beans, veggie stock, chipotle chili powder,cumin and oregano, and stir to combine. Continue cooking until the mixturereaches a simmer.
Remove pan from heat. Use a potato masher or a wooden spoon to mash the beans to your desired consistency.
Stir in remaining tablespoon of butter until it is meltedand well-combined. Taste and season the beans with lime juice, salt and pepperto taste.
Serve warm, topped with any garnishes you might like.