Preheat oven to 350°.
Heat olive oil in a Dutch oven over medium-high heat.
Sauté mini pepperonis for 1-2 minutes, until they start to crispen.
Remove pepperonis to drain on a paper towel-lined plate.
Add onion and red pepper flakes to pan and sauté until onions start to soften and become translucent.
Add garlic.
Crumble the sausage into the pan, breaking it up with a hamburger chopper as it cooks.
After sausage has browned add tomato paste.
Cook about one minute.
Add crushed tomatoes, chicken broth, uncooked pasta and oregano.
Stir ingredients to combine well.
Bring to a simmer and stir in half of mini pepperonis.
Cover Dutch oven with lid and reduce heat to low.
Allow ingredients to cook, covered, until the pasta is cooked through and sauce has thickened, about 15-20 minutes.
Remove lid and stir ingredients.
Check seasonings.
Season with salt and pepper to taste.