Exodus 23:19
Bring the best of the firstfruits of your soil into the house of the LORD your God. You must not cook a young goat in its mother's milk.

Leviticus 23:10
"Speak to the Israelites and say, 'When you enter the land I am giving you and reap its harvest, you are to bring to the priest the sheaf of the firstfruits of your harvest.

Leviticus 23:14
You must not eat any bread or roasted or new grain until the very day you have brought this offering to your God. This is to be a permanent statute for the generations to come, wherever you live.

Numbers 15:20
From the first of your dough, you are to lift up a cake as a contribution; offer it just like an offering from the threshing floor.

Numbers 18:13
The firstfruits of all that is in their land, which they bring to the LORD, belong to you. Every ceremonially clean person in your household may eat them.

Deuteronomy 14:21
You are not to eat any carcass; you may give it to a temporary resident within your gates, and he may eat it, or you may sell it to a foreigner. For you are a holy people belonging to the LORD your God. You must not cook a young goat in its mother's milk.

Deuteronomy 26:2
you must take some of the firstfruits of all the produce of the ground that you bring in from the land the LORD your God is giving you and put them in a basket. Then go to the place that the LORD your God will choose as a dwelling for His name,

Nehemiah 10:35
We will also bring the firstfruits of our land and of every fruit tree to the house of the LORD year by year.