Creamy Pasta with Cauliflower

By abraundmeier

5.0 / 5

10min

40min

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1 head cauliflower medium, broken into small florets
½ cup salted butter
1 medium onion diced
1 tablespoon red pepper flakes or to taste
2 pints heavy cream
1 (16 ounce) package farfalle pasta
1 (14.5 ounce) can diced tomatoes
1 cup grated Parmesan cheese or more to taste