Blood glucose crazy after breakfast?

for the past week i have been insanly high after breakfast. this morning i woke up at 80. I had a bagel and hot chocolate and have twice as much as my insulin pump recommended trying to combat it and two hours later i was 240. This is making me so crazy?! do you have any recommendations? has this happened to you
Update: I used to eat bagels all the time and never had this problem. I normally eat boiled eggs and a banana. Sometimes even when i just have two boiled eggs i spike with no carbs at all.
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