Heat oil in an oven safe 12 inch, deep round pan.
Saute onions and garlic on medium heat, stirring frequently.
Add peppers and 1/2 tsp of salt and cook for 15 minutes stirring regularly. If peppers begin to burn, add a couple tablespoons of water until peppers are cooked.
Add tomato paste, asparagus, and broccoli and cook for 3 minutes.
Add quinoa, paprika, remaining salt, and pepper to the vegetables and mix for 5 minutes.
Add the vegetable broth and bring mixture to a boil.
After bringing to a boil, lower heat and simmer, uncovered for 25 minutes.
If liquid cooks off too fast, add 1/4 cup of additional liquid.
Preheat oven to 375°F.
Add 1/2 cup of water or vegetable broth to pan and mix.
Taste and adjust seasoning, then put the pan in the oven and bake for 10 minutes.
Garnish with parsley and serve.