In a pot, warm oil over medium. Sauté onion 4–5 min; add garlic, sage, salt, pepper (1 min).
Add squash + broth. Simmer 18–20 min until tender. Stir in beans; simmer 3–5 min.
Blend until silky (immersion blender).
Remove from heat, add cottage cheese and continue immersion blending until smooth
Finish with lemon juice prior to serving
Ladle into bowls; sprinkle pumpkin seeds for crunch (optional)