Before eating anything made of wheat, barley, rye, oats, spelt or rice, say:
בָּרוּךְ אַתָּה יְהוָֹה אֱלֺהֵֽינוּ מֶֽלֶךְ הָעוֹלָם, בּוֹרֵא מִינֵי מְזוֹנוֹת
 Baruch atah Adonai, Eloheinu Melekh haOlam, borei minay mizonot 
Blessed are You, Adonai our God, Ruler of the Universe, who created various kinds of nourishment.

Before eating tree-grown fruits say:
בָּרוּךְ אַתָּה יְהוָֹה אֱלֺהֵֽינוּ מֶֽלֶךְ הָעוֹלָם, בּוֹרֵא פְּרִי הָעֵץ
Baruch atah Adonai, Eloheinu Melekh haOlam, borei p'ri ha'etz 
Blessed are You, Adonai our God, Ruler of the Universe, Who created the fruit of the tree.

Before eating earth-grown produce (vegetables) say:
בָּרוּךְ אַתָּה יְהוָֹה אֱלֺהֵֽינוּ מֶֽלֶךְ הָעוֹלָם, בּוֹרֵא פְּרִי הָאֲדָמָה
Baruch atah Adonai, Eloheinu Melekh haOlam, borei p'ri ha'adamah
Blessed are You, Adonai our God, Ruler of the Universe, Who creates the fruit of the earth.

Before eating meat, fish, milk, eggs, cheese, mushrooms, and before drinking all liquids except wine and grape juice, say:
בָּרוּךְ אַתָּה יְהוָֹה אֱלֺהֵֽינוּ מֶֽלֶךְ הָעוֹלָם, שֶׁהַכֹּל נִהְיֶה בִּדְבָרוֹ:
Baruch atah Adonai, Eloheinu Melekh haOlam, she'ha'kol nihiyeh bid'varo
Blessed are You, Adonai our God, Ruler of the Universe, by Whose word all things came to be.