Crush or grate
Wash and dry
Place a pot on the stove on cold heat
Add garlic, sage and black pepper
Turn heat to low and let the aromatics infuse the oil, stirring occasionally
Cook until fragrant (about 5 minutes)
Add passata and salt to taste
Raise heat to medium-low
Simmer until the sauce has noticeably thickened (about 15 minutes)
Add beans and stir until warmed through (about 3 minutes)
Taste for seasoning
Serve