Step 1

Finely chop the zucchinis, set aside.

Step 2

Over medium heat, saute the onion in the olive oil.

Step 3

Add the zucchini, 1 Cup of water and the bouillon cube. Stir well.

Step 4

Cover and cook over very low heat for 4-5 hours, stirring every 20-30 minutes or so. Add water as needed.

Step 5

Prior to serving, cook the spaghetti until al dente. Mix the pasta into the sauce, coating all of the noodles. Portion the pasta then zest the lemon over it, sprinkle Parmesan cheese, salt, pepper, and red pepper flakes.