here is my guess (I am assuming you are talking about in Israel where we have one Seder)
1. The blessing on 2 blooming fruit trees during the month of Nissan
ברוך אתה ה’, אלקינו מלך העולם, שלא חיסר בעולמו (דבר) כלום, וברא בו בריות טובות ואילנות טובות (טובים) ונאות , (כדי) להנות בהן בני אדם
2. Before searching for the bread at Bedekat Chametz
ברוך אתה ה’ אלוקינו מלך העולם, אשר קדשנו במצוותיו וציוונו על ביעור חמץ
3. The blessing on Matzot at the Seder
‘אשר קדשנו במצוותיו וציוונו על אכילת מצה’ ואכילת מצת מצווה
4. Eating Maror at the Seder
ברוך אתה ה’ אלוהינו מלך העולם אשר קדשנו במצוותיו וציוונו על אכילת מרור”.
In addition to Daniela’s excellent list, there is also the blessing recited when lighting candles on Erev Yom Kippur:
אשר קידשנו במצוותיו וצוונו להדליק נר של יום הכיפורים
The fourth blessing is “Nachem,” which is added to the blessing of “V’LiYerushalayim” in the Amidah during Mincha on Tisha B’Av.
(I got the answer from my husband. Does that count as cheating? 🙂 )
Also, in addition to Matzah and Maror, there is a third blessing which is recited once a year only in Israel: “Ga’al Yisrael,” which is recited towards the end of the Seder.
I have always wanted to travel to France. Your photos are making my desire to see France almost painful! They are truly a vicarious thrill. Thank you for posting them.
frozenchallah, I’d love to re-visit France. We should go together, and then we can all come back and visit Canada. I only went to Canada for the first time last year (we saw Niagara). Ah, wouldn’t it be nice to be able to travel…
Hannah's Nook 
Your climbing flowers are gorgeous (hollyhocks?). I’ll ask the male members of my family when they come back from minha.
here is my guess (I am assuming you are talking about in Israel where we have one Seder)
1. The blessing on 2 blooming fruit trees during the month of Nissan
ברוך אתה ה’, אלקינו מלך העולם, שלא חיסר בעולמו (דבר) כלום, וברא בו בריות טובות ואילנות טובות (טובים) ונאות , (כדי) להנות בהן בני אדם
2. Before searching for the bread at Bedekat Chametz
ברוך אתה ה’ אלוקינו מלך העולם, אשר קדשנו במצוותיו וציוונו על ביעור חמץ
3. The blessing on Matzot at the Seder
‘אשר קדשנו במצוותיו וציוונו על אכילת מצה’ ואכילת מצת מצווה
4. Eating Maror at the Seder
ברוך אתה ה’ אלוהינו מלך העולם אשר קדשנו במצוותיו וציוונו על אכילת מרור”.
I was thinking of four blessings outside Israel. Great list though. Thank you for taking part.
Thanks for the “fun” quiz 🙂
In addition to Daniela’s excellent list, there is also the blessing recited when lighting candles on Erev Yom Kippur:
אשר קידשנו במצוותיו וצוונו להדליק נר של יום הכיפורים
So you have found one more.
I see I’m too late. My family came up with these:
1) fruit trees
2) candle lighting on Yom Kippur
If you live in Israel:
3) matza
4) maror
No one mentioned looking for chametz.
Thank you to your family for playing along. You can tell them there is one more to find.
The fourth blessing is “Nachem,” which is added to the blessing of “V’LiYerushalayim” in the Amidah during Mincha on Tisha B’Av.
(I got the answer from my husband. Does that count as cheating? 🙂 )
Also, in addition to Matzah and Maror, there is a third blessing which is recited once a year only in Israel: “Ga’al Yisrael,” which is recited towards the end of the Seder.
Thanks for a fun quiz!
So, did Mr. S. win the prize?
I suppose she did!
I have always wanted to travel to France. Your photos are making my desire to see France almost painful! They are truly a vicarious thrill. Thank you for posting them.
And I have always wanted to visit Canada! After a one-week trip to Brittany I now have even more photos to share; I am glad you like them.
frozenchallah, I’d love to re-visit France. We should go together, and then we can all come back and visit Canada. I only went to Canada for the first time last year (we saw Niagara). Ah, wouldn’t it be nice to be able to travel…
Great idea Rivki!
Thanks to all of you for your participation.
I’m sorry to have missed this. So nice to see such great answers from your quite educated readers! I would have only thought of the fruit tree one. 🙂
I didn’t know them all either until I came across an essay that mentioned them.
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What about the bracha “al mikra megilla”? We read five megillos a year but we only say this bracha on krias megillas Esther.
Actually, I guess we say that twice a year – once on Purim night, once on Purim day. Tricky!
Thanks for visiting and commenting. I believe the question was more tricky than it looked at first.