1: Prepare the sausages as directed on the package.
2: In a pan, heat olive oil and sauté garlic, leek, shallots, and sage until soft.
3: Add the butter beans and vegetable stock cube, mixing well.
4: In another pot, cook the potatoes until tender, then mash with almond milk and seasoning.
5: Assemble the pie by layering the sausage mixture and mashed potatoes.
6: Bake until golden brown and serve.
