Spaghetti Squash & Peppers in Creamy Tomato Sauce

Obviously I'm obsessed with spaghetti squash. I came up with this recipe on my own, because I was limited on what I had and needed to use some things up. I had half a bag of sweet mini peppers, half an onion, and a spaghetti squash. I was going to combine that and make the skinny alfredo sauce (from Skinny Spaghetti Squash Alfredo), but I know Will prefers tomato-based sauces, while of course I love creamy sauces. I compromised and mixed the skinny alfredo with some marinara to make a delicious creamy tomato sauce! I love the flavor the peppers gave to the dish. Winner!

1 large spaghetti squash, baked/shredded (See Spaghetti Squash Mac & Cheese to see how I prepare my spaghetti squash)
1/2 large onion, minced
1 1/2 c diced sweet mini peppers (about 14 peppers)
olive oil spray

1 tbsp light butter
1 1/2 tsp minced garlic
2 tbsp flour
1 1/2 c skim milk 
1 wedge Laughing Cow cheese (I used Garlic & Herb)
1/2 c freshly grated Parmesan cheese
1/2 tsp salt/pepper, each
1/2 c marinara sauce
crushed red pepper flakes, fresh parsley, green onions (optional, for garnish)

Place cooked & shredded spaghetti squash in a large bowl. Spray a skillet with olive oil spray and heat over med-high. Cook onions and peppers for a few minutes until slightly soft. Add to bowl with spaghetti squash.

Now prepare your sauce. Melt 1 tbsp butter in a sauce pan over med-high heat. Add garlic and saute for about 30 seconds. Add flour and mix with a whisk. Slowly add the milk next, while stirring with whisk. The chunks of flour/butter will melt. 

Once the milk is warm, add the wedge of Laughing Cow cheese. Continue stirring and let the cheese melt. Heat the sauce until boiling, but stir the entire time. Once thickened, remove from heat and stir in Parmesan cheese. Next add the marinara sauce. Stir well, then pour into the bowl with the spaghetti squash & peppers. Mix it all together and pour into a greased 9x13" dish. Top with mozzarella cheese. Bake at 400 degrees for 15-20 min. Enjoy!!

I made the Roasted Parmesan Green Beans to go with this.